By R. Trano. Tennessee Technological University.
Medical Antihyperglycaemic Treatment of Diabetes Exp Clin Endocrinol Diabetes 2009 buy trileptal 600 mg on line; 117: 522557 Guidelines 523 lute risk lowered by 20% in 13 trileptal 600 mg sale. The favourable eect of an optimised antihyperglycae- treatment strategy and other factors. In the glycaemic therapy on macrovascular results in patients with light of the marked heterogeneity of type 2 diabetes, this guide- type 2 diabetes reported a relative risk reduction of 19% (Stettler line is only able to establish a framework and indicate therapeu- et al. A recent analysis The conclusions to be drawn from the results of the two studies of 42 clinical studies revealed that the eect of metformin on have been incorporated in the owchart (see section 2. Endpoint data are available for the following substances in the pharmacological antihyperglycaemic treatment of subjects with 1. This should be carried out in consultation Treatment with metformin should be initiated as described in with the treating physician taking into consideration the objec- Table 4. The eects of metformin doses between 500mg/ taken regularly by the patient if therapeutic implications for the day 2000mg/day were analysed on a total of 451 patients with short, medium and long terms are derived from the results. The most eective dosage of metformin was frequency with which the patient should monitor his/her own 2 000 mg / day, which reduced HbA1c levels by as much as 2 % blood glucose levels is dictated by the individual treatment plan, from baseline values of 9% and lowered fasting blood glucose Matthaei S et al. Medical Antihyperglycaemic Treatment of Diabetes Exp Clin Endocrinol Diabetes 2009; 117: 522557 524 Guidelines Reported eects Change with respect to starting value Table 1 E ects of metformin on components of insulin resistance. Range % e ects on diabetes control fasting blood glucose (mmol / L) 2 4 20 30 postprandial blood glucose (mmol / L) 3 6 30 40 HbA1c ( % ) 1 2 10 25 e ects on insulin concentrations fasting plasma insulin concentration (U / mL) 0 3. The fall in triglycerides revealed that the eects of metformin and sulphonylureas (19 % vs. In the combination therapies with various oral antidiabetics too, very dierent eects on the indi- 1. Medical Antihyperglycaemic Treatment of Diabetes Exp Clin Endocrinol Diabetes 2009; 117: 522557 Guidelines 525 reduced by 7% in men and by 14% in women (Haner et al. In an Italian observation study of 2002 patients with (23 % and 33 %, respectively). Mortality after 3 years was signicantly higher for the cial eect on several of the known risk factors for atherosclero- combination therapy with glibenclamide (8. Even after adjusting for many inuencing factors, the risk of mortality with the metformin-glibenclamide combina- 1. The most thorough information is available for a Particularly favourable results have been described for the com- combination therapy with metformin and sulphonylureas (Her- bination of insulin and metformin (Yki-Jrvinen et al. Evaluations of the safety of combination tite and fullness, diarrhoea is relatively rare. The most dangerous therapy with metformin and sulphonylureas have led to dier- side eect is lactic acidosis, which is extremely uncommon. The risk of the fact that the patients who were treated with a sulphonylurea death is about a third of this gure. Renal insuciency and cardiac combination therapy in a Scandinavian study (Olsson et al. In a recent Cochrane analysis of patient group receiving combination therapy in this study con- 206 prospective comparative studies spanning 47846 patient sisted of a cohort with a longer diabetes duration and was less years with metformin and 38221 patient years without met- well controlled (Olsson et al. In a 5-year Canadian formin, no evidence of an increased risk of lactic acidosis related observational study of 12272 patients who had recently begun to metformin was found (Salpeter et al. Likewise in an 8-year Scottish observational study Pancreatitis of 5730 patients who had recently begun treatment with oral Alcoholism antidiabetic drugs (Evans et al. Medical Antihyperglycaemic Treatment of Diabetes Exp Clin Endocrinol Diabetes 2009; 117: 522557 526 Guidelines 1. Acarbose can be com- enclamide that was used frequently then is now associated with bined with any therapeutic principle that lowers blood glucose, possibly unfavourable mortality data. Exactly 50 years after its and also contributes to further signicant reduction of HbA1c introduction, metformin is undergoing a renaissance of a kind (Chiasson et al. It has not tralian retrospective observational study, metformin was yet been established beyond doubt whether this actually pre- observed to produce at least equally good results for patients of vents the patient from developing diabetes mellitus, or whether normal weight as for overweight patients in terms of diabetes it is simply slowed. Today, metformin is used in combination with all other available antidiabetic medications 1. The favourable view of metformin is also sup- once daily, whereby the most suitable meal for taking the pre- ported by a new Cochrane analysis (Saenz et al. Increasing the dosage to a total daily dose of more than the oligosaccharides consumed with food remains in the intes- 100200mg does not appear to bring any benets (recommen- tines. Currently, only acarbose and migli- Similar titration is also advisable for miglitol. Therefore, voglibose is not there does appear to be a linear dose-eectiveness relationship mentioned in this guideline. Medical Antihyperglycaemic Treatment of Diabetes Exp Clin Endocrinol Diabetes 2009; 117: 522557 Guidelines 527 1. For every tropic medications or insulin, hypoglycaemia can only be treated one percent elevation of the baseline-HbA1c, the estimated orally or with glucose and not with oligosaccharides.
This was transferred to potential externalities generic 600mg trileptal with visa, with the Dont know (0) national financing mechanisms 600mg trileptal visa. One option for implementation is to tax antibiotic active pharmaceutical ingredients. Fund-related Antibiotic corporate Not able (5) This does not solve the inherent problem mechanism bond: A mechanism Weakly (5) with antibacterial R&D, i. Fund-related Antibiotic government Not able (3) It would be cheaper for governments to mechanism bond: A government- Weakly (5) directly finance R&D grants (no need to pay issued bond meant to Moderately (4) interest) than issue government debt. Also, raise funds specifically for Strongly (0) Dont this does not change the business model investment into antibiotic know (2) antibiotics will remain an unattractive R&D. Governments would business case and future earnings should pay out proceeds as remain small to moderate. Lastly, either grants or non- governments do not typically issue dilutive capital to earmarked bonds. Fund-related The Fast Track Option: A Not able (6) This mechanism expedites market entry mechanism variant of the Priority Weakly (6) based upon ability to pay rather than Review Voucher, this Moderately (1) medical need, which is an undesirable incentive gives companies Strongly (1) Dont outcome. The value of the Fast Track the option to purchase an know (0) Option would be greatly diminished if many expedited regulatory manufacturers purchased it, as the review for a drug of their regulatory agency would not necessarily choice. The value of Station, two or more *All from industry having a physical centre is uncertain. This platform can impractical for them to be consolidated in be used both by one location, and there would be concerns member and non- regarding anti-competitiveness and member countries to run management of intellectual property. Any revenues generated from the R&D could be divided as per the agreement between countries. InnovFin financing tools cover a wide range Investments would be of loans, guarantees and equity-type made mainly on funding. That is, this mechanism does not of supporting early-phase change the business model antibiotics will start-ups. Exit occurs by remain an unattractive business case and selling individual shares, future earnings should remain small to or by transferring entire moderate. Initially the fund would need public funding, but private capital could be invited to participate from an early stage. Later on, exits and gains from previous investments could possibly make the fund self-sustaining and profitable. An antibiotic- related incubator or accelerator can focus not only on antibiotics but also on diagnostics, preventive measures and all other supplementary and complementary technologies. The rationale is that the a transnational Strongly (7) Dont process of tendering to perform R&D is not organization, procures know (1) the business model of the pharmaceutical specified R&D activities industry (big or small). Industry wants to from a range of actors via *All from industry invest in areas matching its product open, competitive portfolio and risk profile, with the tenders. The R&D delivery opportunity to reap the rewards of these contract specifies the investments. Companies are not interested deadlines for the various in simply being paid on a fee-for- R&D stages and development basis where they do not own milestones covered by the intellectual property. However, even if the exclusivity trial data as the period extends the monopoly period where originating organization the innovator can charge high prices, it for a specified period of does little to improve the market time (from 5 to 8 years attractiveness. That is, newer antibiotics for new chemical entities will still need to be conserved, translating and up to 12 years for into minimal sales. Since able to change the market dynamics if the it is unethical to perform antibiotic achieves greater consumption, redundant clinical trials which may be undesirable. Market exclusivity gives a company exclusive marketing rights for a particular medicine for a set period of time. Monopoly Transferable exclusivity Not able (1) Although this mechanism would highly protections voucher: This would grant Weakly (2) incentivize antibacterial innovation, the a legal right to extend the Moderately (5) cost is estimated to be too high relative to monopoly time period Strongly (4) the gains. A company would pay for the (through exclusivities) of Dont know (2) exclusivity voucher only if it expected to any other patented drug, profit from it (i. Since in most European countries approval of a specified the government is the healthcare provider, antibiotic. The voucher this profit would be at the expense of the would be transferable or government, i. For example, if a government to pay an alternative reward, company developed like a Market Entry Reward. In non- Antibiotic A it could government-provided healthcare systems, receive an exclusivity this incentive has ethical ramifications since voucher that can prolong it would prolong high prices of important the monopoly period of medicines, which in some countries would its own Blockbuster have a disproportionate impact on the un- Oncology Drug or sell or underinsured. Since the voucher is designed as a one-time transaction, it would be difficult to rescind the voucher in cases where either the antibiotic was removed from the market, or sustainable use and equitability availability guidelines were disregarded. Prizes Lump sum diminishing Not able (1) Market Entry Rewards are meant to payments As with a Weakly (3) incentivize the commercialization of Market Entry Reward, Moderately (5) important new antibiotics with anticipated developers would receive Strongly (2) Dont low consumption. This variation increases a series of annual know (3) the price towards generic transition to delinked payments at the encourage generic manufacturers. Yet time of marketing generic manufacturers will be incentivized approval for a new to over-sell the antibiotic, which is antibiotic meeting a undesirable from a sustainable use specific target product perspective.
Dyspareunia 261 results from other pain imaging studies (6467) and support the multidimen- sional conceptualization of dyspareunia proposed in this chapter buy 600 mg trileptal otc. Whether they precede or develop subsequent to the pain remains to be elucidated buy trileptal 150 mg low cost; however, it is crucial to investigate the role of these factors in the maintenance of dyspareunia as negative affect has been shown to modulate pain intensity (70). Negative affect is also associated with an increase in attention towards pain stimuli, otherwise known as hypervigilance (71), which in turn can increase per- ceived pain intensity (72). In a recent study (73), hypervigilance for pain stimuli was examined in women with vestibulitis and matched control women. Results indicated that women with vulvar vestibulitis syndrome reported hypervigilance to coital pain and exhibited a selective attentional bias towards pain stimuli, an effect mediated by anxiety and fear of pain. These results suggest that anxiety and fear-mediated hypervigilance represent important factors for pain percep- tion in vulvar vestibulitis. Furthermore, hypervigilance to pain stimuli could exacerbate sexual impairment in women suffering from dyspareunia by distract- ing attentional resources away from erotic cues, a cognitive bias that has been associated with impaired sexual arousal (7476). The role of sexual arousal in vulvar sensation has not yet been established; however, many theoretical models posit arousal as a key factor in preparing the female reproductive system for the trauma of coitus. Relationship factors: The examination of relationship factors has been quite limited despite the tremendous impact dyspareunia has on intimate relation- ships. Seventy-four percent of vestibulitis sufferers report that the pain impacts their relationships (77), although they do not typically report signicant levels of dyadic distress. In addition, high dyadic adjustment is related to decreased pain severity in women with dyspareunia (78), whereas psychosocial attributions for the pain are associated with dyadic distress, suggesting an interaction between pain coping style and relationship adjustment (79). Further research is currently underway to clarify the complex relationship among pain severity, relationship adjustment, and coping styles in this population of women. Vulvodynia Wesselmann and colleagues (5,80) classify vulvodynia as a dynia, a group of well described but poorly understood chronic pain syndromes. A recent epidemiological study estimated that vulvodynia affects 67% of women in the general population, with a higher prevalence in women over the age of 30 (8). When such an event is recalled, it is often linked to episodes of local treatments, such as vulvar cream application or laser surgery (80). McKay (82) proposed that the pain results from altered cutaneous perception, such as in neuropathic pain syndromes. Postmenopausal Dyspareunia Recurrent pain during intercourse occurring for the rst time within or sub- sequent to the menopausal transition is typically attributed to vulvovaginal and urogenital atrophy (also referred to as atrophic vaginitis) (83). Comment Regardless of etiology, many areas of these womens lives must be addressed simultaneously in order to achieve therapeutic success. Typical medical treatment is characterized by a focus on the vestibule to the exclusion of other systems that may be involved (e. In addition, current medical interventions have not incorporated empirically based treatments for dyspareunia, which have recently been published. The involvement of these different systems usually leads to increases in the amount of pain and distress experienced, and can explain pain mainten- ance in the absence of physical ndings, as in most cases of dyspareunia and back pain. Although this gure indicates that the initiating symptom can evolve into a complex cycle, theoretically, the cycle can start at any point or at multiple points simultaneously. Vulvar Vestibulitis Syndrome Medical Interventions Treatment for vestibulitis is typically guided by the medical model. This model follows a traditional strategy of starting with conservative, non-invasive treat- ments and progressing to more invasive ones (89). However, there is little evidence to support the use of topical, systemic, or injectable treatments. In addition, there is no empirical evidence for the success of any medication, such as antidepressants, for the pain of vestibulitis. Cognitive-Behavioral Interventions Cognitive-behavioral interventions for vulvar vestibulitis syndrome include cognitive-behavioral pain management, sex therapy, and pelvic oor biofeedback to target both pain reduction and sexual functioning. Success rates ranging from 43% to 86% have been reported in two uncontrolled studies in which sex therapy and pain management were combined (93,94). Results from this study indicated that women in both groups beneted in terms of pain reduction, with no signicant differences between women who had undergone the behavioral intervention alone vs. The authors suggest that the behavioral approach should be the rst line of treatment for ves- tibulitis sufferers, with the surgery acting as an additional form of treatment for refractory cases. Biofeedback training has been used in an effort to reduce hypertonicity of the pelvic oor muscles (61). After $4 months of training, subjective pain reports decreased an average of 83%, with 52% of the women reporting pain- free intercourse, and 79% of women who were abstaining from intercourse resuming activity posttreatment. However, this study contained a mixed group of women with vulvar pain and likely contained a high proportion of vaginismic women, considering that many participants were not engaging in intercourse at the beginning of the study. The effectiveness of physical therapy, which includes a pelvic oor biofeedback component in addition to soft tissue mobilization and other techniques specic to this treatment, has recently been evaluated in a retrospective study of vestibulitis sufferers (96). Results indicated that after an average of 16 months of treatment, physical therapy yielded a moderate to great improvement in over 70% of participants. Treatment resulted in signicant pain reduction during intercourse and gynecological examinations, and increa- ses in intercourse frequency and levels of sexual desire and arousal. These ndings indicate that physical therapy is indeed a promising treatment modality for women who suffer from vulvar vestibulitis syndrome, although prospective studies are needed.
The fear of incontinence can often greatly limit a patients ability to function normally in society 600mg trileptal mastercard. Other patients with difficult defecation may have to strain defined as having to hold their breath and push when attempting defecation trileptal 300mg with amex. Straining is defined as constipation when a patient must strain 25% or more of the time when trying to defecate. Finally, some patients describe a feeling of incomplete emptying after passing stool. This symptom has to be asked for specifically, as most patients will not spontaneously report it. Nevertheless, the symptom is commonly reported by patients with an irritable bowel. The presence of mucus in the stool can be alarming to some patients, since they may interpret this to mean they have colitis. Mucus is a normal product of the colon, and only if mucus and blood are seen together should other diagnoses such as colitis be considered. Typically, patients will pass a normally formed stool (sometimes even a constipated stool) first thing in the morning. Then, with the attacks of abdominal pain, the stools become more frequent and looser, sometimes becoming liquid. Once bowel movements cease the pain is relieved, but the pain may recur again later in the day, often precipitated by eating high-fat foods or other gut stimulants (e. One should consider other colonic diseases in patients over the age of 40 who develop these symptoms for the first time. Sometimes later in life patients can develop irritable bowel after severe infectious diarrhea, but in this population as well, further investigations are warranted to ensure no other cause for the change in bowel function. Those constipated patients who have infrequent stool alternating with occasional diarrheal stool have the most common presentation of irritable bowel syndrome. Yet there are a great many patients, almost all female, who have infrequent stool passage, and this group must be considered as separate from the usual irritable bowel syndrome patent for they may be among those rare patients with a secondary cause of constipation. Other associated symptoms include frequent headaches and urinary symptoms that are similar to bowel symptoms, in that patients can have urgency and frequency of urination. Shaffer 354 irritable bowel symptoms can often be exacerbated or worsened around the time of menstruation. Indeed, bowel symptoms associated with menstruation occur in at least 50% of the normal female population. When assessing a patient complaining of irritable bowel symptoms, remember that only a small proportion of patients with an irritable bowel present to doctors with these symptoms. It is important to inquire about these problems, as successful treatment often consists of dealing with the distress and/or depression that exacerbates the irritable bowel symptoms. These mental health symptoms may often be the reason that the patient has sought medical attention in the first place. All patients should have a thorough physical examination, looking for evidence of disease in other organ systems such as the thyroid, which can present with a change in bowel habit. Patients with an irritable bowel will often have tenderness over the colon, particularly the sigmoid colon, on palpation. The identification of an enlarged liver or spleen or other abdominal masses necessitates further investigations for alternate diagnosis. The barium enema should also evaluate the terminal ileum if there is pain on palpation in the right lower quadrant. A complete blood count with platelet count should be done, as an elevated platelet count is often a sensitive finding for underlying inflammation and in the presence of bowel symptoms could mean the presence of early inflammatory bowel disease. The persistence of the abdominal pain, even though lessened after bowel movements, would suggest possible underlying inflammation of the gut rather than an irritable bowel. Rectal bleeding is not a symptom of irritable bowel and its cause must always be investigated. Fever, weight loss and symptoms that wake a patient from sleep, as opposed to early waking in the morning, are all symptoms that should be further investigated. Occasionally patients with depression who have early morning waking report nighttime diarrhea, but in general further investigations are indicated. Once this has been confirmed, explain to the patient how the bowel can produce these symptoms and that there is no cause for concern. Part of this reassurance will be provided by screening blood tests such as a complete blood count with platelet count. Sigmoidoscopic/colonoscopic examination will rule out most underlying early inflammatory bowel disease and any rectal pathology, particularly in patients complaining of defecation difficulties or a sensation of being unable to empty the rectum adequately. Following these initial screening tests emphasis should be placed on the stresses present in the patients life, which may trigger their bowel complaints. Evaluating the level of stress and taking steps to correct it will often be helpful.
Kidneys take time to excrete 150mg trileptal with visa, so watch for fluid overload order 300mg trileptal with mastercard, especially in renal impairment and kids Haemaccel: polygeline (degraded gelatine) plus electrolytes (145 mmol/L NaCl + 5. Haemaccel and crystalloids can be microwaved Child Requirements Maintenance fluid: 4% dextrose + 0. Losses decrease with renal failure See Management of Mild-Moderate Dehydration, page 650 Adult requirements Adult daily requirements: 2. Maximum rate of potassium replacement is 20 mmol/hr Burns Burns rapid loss secondary organ damage (e. Red cell transfusions transfuse at 1 unit per 2 4 hours (if th th 552 4 and 5 Year Notes cardiovascularly healthy then 2 hours, if older then 4 hours as you dont want to go too fast otherwise volume overload) Platelet concentrates: Prophylactic platelet transfusions 10 g/L pretty good maintenance level in leukaemia. Not the same as below the normal range, as normal range includes functional reserve) What is the appropriate blood product What is the correct dose to transfuse Has the transfusion worked? Intermittent flushing with saline helps If hemiplegia, or mastectomy, insert in good arm Infiltration/tissuing is leakage into surrounding tissues. Obtain verbal consent Choice of gauge: age, flow required, whats being infused. Malnourished need feeding Enteral Nutrition Adult energy requirements: 40 Kcal/kg/day (approx. Stop at night if they can tolerate increased flow during day Tradeoffs: When sick, motility and emptying. Need to be minimal volume but still flow through tube Dont include lactose as lactase when sick. Fat a good way of giving calories without glucose (which could diabetes) Other major risk: sepsis. Colony count should be 5 times higher in central line sample than in peripheral blood Metabolic problems common, e. Depends on depth, if its loculated or presence of overlying bowel Peripheral line Central line: may look innocent but consider if no other locus found. Treat with naloxone (but short T so may need to repeat) Delirium tremens (alcohol withdrawal) Urinary retention No cause found Management: Quiet, gently lit area, familiar faces. Dont use dextrose wont stay in the blood for long Surgical and Fluid Management 557 Dehiscence = Wound breakdown (eg of a gut anastamosis). Increased over all groups from 1986 to 1996 Maori and Pacific Islanders also more likely to not have a car, share a household, less likely to leave school with a qualification Mortality: Under 5 mortality currently around 500 per annum Age specific rates: 7/1000 live births for 0 1 years, 0. See Development Chart: normal development from 0-60 months, page 576 Paediatrics 563 Past medical history Social/school Medications Allergies Family History: ages and health of parents and grandparents. Dont wear stethoscope around neck Show them what you want rather than telling them Blood pressure: Is important always do it Getting them calm is hard usually anxious artefacts common Cuff: Bladder should nearly encircle the arm. Width is 2/3 length from should to elbow Chest exam: Percussion more sensitive than auscultation (wont show anything in the absence of respiratory signs/symptoms) Percussion will tell you about hyperinflation, fluid, mediastinal shift Ausciltate heart early in the exam but not first Abdominal exam: Get child to suck in and push out tummy to check for tenderness then you wont have to hurt them yourself. Dont press too hard moves with respiration th th 564 4 and 5 Year Notes Pelvic organs higher (eg bladder) Pulses: Radial/ Brachial take both sides. Due to obstruction or sympathetic discharge, eg due to pain (not necessarily abdominal could be a torted testicle) Decreased urine output (wet nappies < 4 per day) Diarrhoeal losses Dysuria and pale extremities may be the only warning signs before they crash Factors which discriminate on exam: Floppiness: tone Perfusion: pale, mottled or blue, cold. Changing behaviour requires: Knowledge: necessary but not sufficient Skills: to manage the change Motivation: Involves striving towards a goal, not just trying. Make it easy Good counselling technique: Open-ended questions: tell me about. E hua whakatairantitia Rere ki uta, rere ki tai Mau e ki mai He aka te mea nui o te ao? Maki e ki atu, He tangata, he tangata If you pluck the young shoot of the flax bush, where will you find the bellbird? Read books about hospital Reassure your child that you will be there too Answer your child questions Use simple terms that the child can understand Take a favourite toy. Vertical cut down back of head Can I take my baby home afterwards yes Autopsy may provide: A cause of death but may take time Identify unacceptable iatrogenic lesions Quality control for a neonatal unit Assist medical knowledge Information that may help other babies Paediatrics 569 Common reasons for refusal: Concerns about disfigurement and further suffering Lack of information Objections from family members Religious beliefs Interference with funeral arrangements Must refer to the coroner: Where death certificates cannot be signed Thought to be related to an invasive procedure ? Birth asphyxia Deaths thought to be related to an instrumental delivery Behavioural Issues Behaviour doesnt exist outside an environmental context Behaviour Management History Taking: Antecedent: what sets him off? Somewhere safe and boring, and where you dont mind the child disliking (ie not the toilet if toilet training or bedroom if sleep training). Indicators of serious disturbance include: Deliberate self harm or messing Wandering off Running away Age inappropriate sexual behaviour Developmental sequence of everyday habits: Feeding Sleeping Eating Toilet Paediatrics 571 Going to bed and getting up Dressing and undressing Washing and cleaning teeth Aim is to achieve regular habits and routines: To start with need to insist on regular routine and time schedule. Once achieved can be more flexible Failure to achieve routine: daily hassle and distress Regular routines security of child, argument with parents Factors which behaviour problems: Routine and regularity Clear limit setting Unconditional love and affection High level of supervision Consistent care and protection Age appropriate disciplines and rewards Tantrums: Want their way. If you say no, will have to stick with it choose your battles Options for managing a tantrum (see Behaviour Management, page 570) Ignore it: eg leave the room Time out Distract Avoid problem areas (eg supermarkets) Things will get worse before they get better. At risk when the parents perceive the child is vulnerable Autonomy: Development of independence ( social competence) Paediatrics 573 Mastery: increasing sense of competence over the physical environment Together autonomy and mastery lead to an internal locus of control.
Endoscopic papillary large balloon dilation alone without sphincterotomy for the treatment of large common bile duct stones order 150mg trileptal visa. Difficult biliary cannulation: use of physician-controlled wire-guided cannulation over a pancreatic duct stent to reduce the rate of precut sphincterotomy (with video) cheap trileptal 600 mg visa. Interobserver agreement for pancreatic endoscopic ultrasonography determined by same day back-to-back examinations. Angiographic intervention in patients with a suspected visceral artery pseudoaneurysm complicating pancreatitis and pancreatic surgery. Endoscopic retrograde cholangiopancreatography associated pancreatitis: A 15-year review. Endoscopic pancreatic duct stents reduce the incidence of post-endoscopic retrograde cholangiopancreatography pancreatitis in high-risk patients. Nafamostat mesilate for prevention of post-endoscopic retrograde cholangiopancreatography pancreatitis: a prospective, randomized, double-blind, controlled trial. Prophylactic 5-Fr pancreatic duct stents are superior to 3-Fr stents: a randomized controlled trial. Pancreas divisum as a predisposing factor for chronic and recurrent idiopathic pancreatitis: initial in vivo survey. Nutritional assessment: a comparison of clinical judgement and objective measurements. Introduction: a practical evidence-based approach to the diagnosis of the functional gastrointestinal disorders. Natural orifice translumenal endoscopic surgery: progress in humans since white paper. Shaffer 755 Index Note: Page numbers followed by f or t represent figures and tables respectively. Shaffer 758 management of, 609610 Alcoholism, as malnutrition cause, 16 Alimentation. See Neuroendocrine tumours Carcinoma of esophagus, 76 of gallbladder, 576 of pancreas. See also specific disorders First Principles of Gastroenterology and Hepatology A. Shaffer 791 vitamin and mineral deficiencies caused by, 202, 204t Malassimilation syndromes. See under Pancreas somatostatin-producing, 621 vasoactive intestinal peptide-secreting, 621 U Ulcer/Ulceration defined, 105 duodenal. The poor therapeutic progress in the eld of to develop new pathophysiology-oriented therapies. Variations in genes that encode antioxidant enzymes, ranging from simple fatty liver to more severe forms of cytokines and other inammatory mediators, and alco- hol-metabolizing enzymes could have a role. Interestingly, obesity-associated fatty liver or levels of liver enzymes in mice fed a high-fat diet. Apoptosis toyltransferase 1; each has an important role in the devel- results from multiple mechanisms, including ethanol-me- opment of alcoholic fatty liver. Alcohol consump- these genes also contributes to the pathogenesis of alco- tion not only causes enteric dysbiosis and bacterial over- holic fatty liver. However, the underlying mechanisms growth64 but also increases gut permeability and the remain to be determined. Alcohol consumption up-regulates a variety of factors that activate Kupffer cells, stellate cells, and hepatocytes, resulting in the production of cytokines and chemokines. Studies from other liver injury models in hepatocytes or biliary epithelial cells. Ethanol consumption causes epige- tively engage in alcohol consumption are not eligible for netic changes that contribute to alcohol-induced organ most transplantation programs. Exposure to ethanol or its metabolite extent of liver brosis can be estimated by liver biopsy acetate up-regulates histone acetylation in macrophages, analysis or with noninvasive tools such as elastography or contributing to the up-regulation of several proinamma- measurements of serum markers. There is no evidence that of corticosteroids because of the heterogeneity of the different management strategies prevent clinical decom- clinical trials and the high risk of bias. The use of benzodiazepines is contraindi- costeroid insensitivity, which can be reduced ex vivo by theophylline administration126 or reagents that block the cated in these patients. Early-stage studies showed positive re- develop liver failure or severe portal hypertension. A straightforward approach would be to investigate based on results of short-term follow-up studies. Activation of complement is an im- had positive results, they were not conrmed in further portant step in the development of ethanol-induced liver studies; no benet was shown in a meta-analysis. Several compounds that inhibit com- survival times and was associated with adverse effects. However, translation of basic and translational re- onists, respectively, with the latter being proposed as search ndings into new therapies has been modest. Liver cirrhosis mortality in the United States, have been investigated in animal models of liver injury 19702007 surveillance report #88.
These elements were by tion of antibiotic resistance genes be- resistome evolution and exchange are definition antibiotic resistance genes cheap trileptal 150mg on-line. The resistome as it is are other resistomes as well (see the box likely evolved hundreds of millions currently defined is the entire suite of on page 49) cheap trileptal 300mg fast delivery. It includes all antibiotic re- Antibiotic resistance is everywhere, served in nonproducer organisms sistance genes in a group of microbes even in your backyard. Soil microbes (including pathogens) may have been at any scale, from a single organism to likely represent the evolutionary res- acquired directly from the producers all of the microbes in an arbitrary en- ervoir of most resistance, and the re- or from their soil-dwelling neighbors vironmental sample. Viewed this way, sistome of the soil is easily the largest who evolved them in response to the the resistome from one environment and most diverse of any environment. The surveys of known resistance Just one gram of soil is estimated to genes in the soil resistome are just the tip of the iceberg. Using this approach, resistant against a large panel of clini- this incredibly high multidrug resis- they identified a number of novel an- cally relevant antibiotics. On average, tance because they were cultured un- tibiotic resistance genes, some with these bacteria were resistant to seven der the selective pressure of extremely never-before-seen mechanisms of re- to eight drugs, and one superbug was high antibiotic concentrations. Direct support for were only recently approved for clini- The discovery of ubiquitous multi- the notion that the soil resistome long cal use. Wrights observation was star- drug resistance in soil microbes suggests predated clinical use of antibiotics tling, because such high levels of mul- that the soil resistome is immense. Com- comes from recent work from Gerry tidrug resistance exceed those found in plementary investigations of the genes Wrights group. One might expect that this wealth of and culture-independent experimental as the human commensal microbiota information on the breadth and depth methods, as well as improved com- incorporate the resistome that is most of the soil resistome would confirm putational tools for their analysis, en- accessible to human pathogens. Surpris- The Resistome Inside You systems of microbes inhabit various ingly, such evidence was lacking until Although the soil resistome is the most parts of the body, with the densest and very recently. The overwhelming ma- important reservoir of resistance from most diverse community housed in jority of soil resistome studies revealed an evolutionary perspective, the mi- the human intestine. Nearly every as- only limited similarity to resistance crobes living in and on usknown pect of the human condition, in health genes found in pathogens. To account for this unexpected re- sult, we hypothesized that a key subset On the Trail of the Other Resistomes of soil bacteriathe notoriously mul- tidrug-resistant soil Proteobacteria n addition to those in soil and in a concomitant increase in antibiotic may represent a conduit for recent ex- Ithe human gut, microbes from resistance of bacteria associated with change with pathogens. In the United States and Eu- as intermediates between the human rial pathogens, their closest cousins in rope, antibiotics are used four times microbiota and human pathogens the soil might show evidence for recent as often in the food industry as in living in more pristine environments resistome exchanges. The We then set out to test this idea using from the Technical University of transfer of antibiotic resistance genes culture-based selections to selectively Denmark has shown that this high probably goes both ways. Antibiotic- enrich about 100 highly multidrug- consumption has led to high levels resistant bacteria from farm animals resistant soil bacterial cultures, com- of antibiotic resistance in gut bacte- are spread through manure onto the posed primarily of Proteobacteria. Furthermore, soil, where they can disseminate re- We profiled their resistomes using a computational genomics analysis sistance to soil bacteria. Although tional sequence assembly and anno- tibiotic usage is also growing at an pinpointing specific sources of resis- tation algorithms (see sidebar on page alarming rate in aquaculture as more tance is difficult, it is clear that heavy 46). Selections), we uncovered nine differ- ent antibiotic resistance genes from diverse U. Despite recent key advances in our knowledge of soil resistomes, we are still in the infancy of exploring this in- credibly diverse ecosystem. Just 1 gram of soil is estimated to contain about 1 billion bacterial cells, and no current method gets even remotely close to sampling this diversity. Approximately half of the 60 predicted phyla of the bacterial world cannot be cultured in a lab, and even the ones that can are still not completely characterized. Because one of the microbiotas The earliest insights into the hu- The implication from these studies main jobs is to keep pathogens from man commensal resistome come from that increased antibiotic use was lead- invading the gut, and the fact that any culture-based studies of these bacteria. They resistance genes, and the mechanisms also observed that this enriched resis- tance persisted for years after therapy of resisting antibiotics, available to ceased, challenging the conventional wisdom that antibiotic resistance en- bacteria are effectively limitless. Their from the nostrils of antibiotic-treated antibiotic era provides ample selection analysis of archived Bacteroides samples patients. Anette Hammerum and ratory in Heidelberg and Baoli Zhu anisms of resisting antibiotics, avail- colleagues at Statens Serum Institut in at the Institute of Microbiology in able to bacteria are effectively limitless. Denmark recently demonstrated the Beijing reported on computationally To stay ahead of the game we must transfer of vancomycin resistance genes predicted resistomes from sequencing take a multipronged approach, look- between human and swine hosts. Collectively, when therapies appear to be highly biotic treatment selects for genes con- these studies predict the existence of effective during their initial deploy- ferring antibiotic resistance, that these thousands of resistance genes across ment, it is only a matter of time before increases in resistance can persist for the analyzed commensal microbiome. As with the soil, we tibiotic use, as well as with how long References and others in our field have also begun ago those antibiotics were introduced. Association between the to appreciate that this portrait of the Although we are beginning to consumption of antimicrobial agents in ani- mal husbandry and the occurrence of resis- human commensal resistome is a vast gain a glimpse into the genetics of tant bacteria among food animals. Internation- underestimate due to an over-reliance such complex ecosystems, we will al Journal of Antimicrobial Agents 12: 279285. Heavy use of prophylactic In 2009 we reported on the first ap- culture-independent techniques to antibiotics in aquaculture: A growing prob- plication of culture-independent func- better understand these reservoirs of lem for human and animal health and for tional metagenomic selections to study antibiotic resistance.