Small-bowel capsule endoscopy (SBCE)
 1 ESGE recommends that prior to SBCE patients ingest a purgative (2 L of polyethylene glycol [PEG]) for better visualization. Strong recommendation, high quality evidence. However, the optimal timing for taking purgatives is yet to be established. 2 ESGE recommends that SBCE should be performed as an outpatient procedure if possible, since completion rates are higher in outpatients than in inpatients. Strong recommendation, moderate quality evidence. 3 ESGE recommends that patients with pacemakers can safely undergo SBCE without special precautions. Strong recommendation, low quality evidence. 4 ESGE suggests that SBCE can also be safely performed in patients with implantable cardioverter defibrillators and left ventricular assist devices. Weak recommendation, low quality evidence. 5 ESGE recommends the acceptance of qualified nurses and trained technicians as prereaders of capsule endoscopy studies as their competency in identifying pathology is similar to that of medically qualified readers. The responsibility of establishing a diagnosis must however remain with the attending physician. Strong recommendation, moderate quality evidence. 6 ESGE recommends observation in cases of asymptomatic capsule retention. Strong recommendation, moderate quality evidence. In cases where capsule retrieval is indicated, ESGE recommends the use of device-assisted enteroscopy as the method of choice. Strong recommendation, moderate quality evidence. Device-assisted enteroscopy (DAE)
 1 ESGE recommends performing diagnostic DAE as a day-case procedure in patients without significant underlying co-morbidities; in patients with co-morbidities and/or those undergoing a therapeutic procedure, an inpatient stay is recommended. Strong recommendation, low quality evidence The choice between different settings also depends on sedation protocols. Strong recommendation, low quality evidence. 2 ESGE suggests that conscious sedation, deep sedation, and general anesthesia are all acceptable alternatives: the choice between them should be governed by procedure complexity, clinical factors, and local organizational protocols. Weak recommendation, low quality evidence. 3 ESGE recommends that the findings of previous diagnostic investigations should guide the choice of insertion route. Strong recommendation, moderate quality evidence. If the location of the small-bowel lesion is unknown or uncertain, ESGE recommends that the antegrade route should be generally preferred. Strong recommendation, low quality evidence. In the setting of massive overt bleeding, ESGE recommends an initial antegrade approach. Strong recommendation, low quality evidence. 4 ESGE recommends that, for balloon-assisted enteroscopy (i. e., single-balloon enteroscopy [SBE] and double-balloon enteroscopy [DBE]), small-bowel insertion depth should be estimated by counting net advancement of the enteroscope during the insertion phase, with confirmation of this estimate during withdrawal. Strong recommendation, low quality evidence. ESGE recommends that, for spiral enteroscopy, insertion depth should be estimated during withdrawal. Strong recommendation, moderate quality evidence. Since the calculated insertion depth is only a rough estimate, ESGE recommends placing a tattoo to mark the identified lesion and/or the deepest point of insertion. Strong recommendation, low quality evidence. 5 ESGE recommends that all endoscopic therapeutic procedures can be undertaken at the time of DAE. Strong recommendation, moderate quality evidence. Moreover, when therapeutic interventions are performed, additional specific safety measures are needed to prevent complications. Strong recommendation, high quality evidence.

/pdf/small-bowel-capsule-endoscopy-and-device-assisted-4dltzyt3z1.pdf

Small-bowel capsule endoscopy and device-assisted enteroscopy for diagnosis and treatment of small-bowel disorders: European Society of Gastrointestinal Endoscopy (ESGE) Clinical Guideline.

Meta-analysis of structural brain abnormalities associated with stimulant drug dependence and neuroimaging of addiction vulnerability and resilience.

Background Cocaine use disorder is associated with cognitive deficits. However, the literature remains somewhat ambiguous with respect to which distinct cognitive functions are the most impaired in cocaine use disorder and to how duration of abstinence affects cognitive recovery. Here, we performed a meta-analysis to determine the cognitive domains impaired in cocaine abuse/dependence and the duration of abstinence necessary to achieve cognitive recovery. Methods A literature search yielded 46 studies that assessed cognitive dysfunction in subjects with cocaine abuse/dependence. Effect-size estimates were calculated using the Comprehensive Meta-Analysis V2, for the following 11 cognitive domains: attention, executive functions, impulsivity, speed of processing, verbal fluency/language, verbal learning and memory, visual learning and memory, visuospatial abilities, and working memory. Within these 11 domains, effect-size estimates were calculated on the basis of abstinence duration: short- (positive for drugs urine screening), intermediate- (≤12 weeks), and long-term (≥20 weeks) abstinence. Results Findings revealed moderate impairment across 8 cognitive domains during intermediate abstinence. The most impaired domains were attention, impulsivity, verbal learning/memory, and working memory. For some domains (attention, speed of processing, and verbal learning/memory), impairments were smaller during short-term abstinence than during intermediate abstinence. Finally, small effect-size estimates were found for long-term abstinence. Discussion These results suggest significant impairment across multiple cognitive domains in cocaine abusers, and that some of these deficits may be partially masked by the residual or acute withdrawal effects of cocaine. Cognitive dysfunctions remain stable during the first months of abstinence and may abate after 5 months of sobriety.

Cocaine and cognition: a systematic quantitative review.

http://www.antoniocasella.eu/archila/Ersche_2013.pdf

Distinctive personality traits and neural correlates associated with stimulant drug use versus familial risk of stimulant dependence.

Heavy use of drugs impacts of the daily activities of individuals in these activities. Several groups of investigators have indeed documented changes in cognitive performance by individuals who have a long history of chronic drug use. In the case of marijuana, a wealth of information suggests that heavy long-term use of the drug may have neurobehavioral consequences in some individuals. In humans, heavy cocaine use is accompanied by neuropathological changes that might serve as substrates for cognitive dysfunctions. Similarly, methamphetamine users suffer from cognitive abnormalities that may be consequent to alterations in structures and functions. Here, we detail the evidence for these neuropsychological consequences. The review suggests that improving the care of our patients will necessarily depend on the better characterization of drug-induced cognitive phenotypes because they might inform the development of better pharmacological and behavioral interventions, with the goal of improving cognitive functions in these subsets of drug users.

/pdf/neuropsychological-consequences-of-chronic-drug-use-4z437jiukx.pdf

Neuropsychological consequences of chronic drug use: Relevance to treatment approaches

Rationale
Numerous neuroimaging studies have demonstrated lower neural tissue density in chronic cocaine users, which may be linked to cognitive dysfunction.

/pdf/elevated-gray-and-white-matter-densities-in-cocaine-39dbfuxzcm.pdf

Elevated gray and white matter densities in cocaine abstainers compared to current users.

A survey of credentialing for ERCP in the United States

Objectives Pancreatic endoscopic sphincterotomy (PES) is an independent risk factor for short- and long-term adverse events (AEs) of endoscopic retrograde cholangiopancreatography. We sought to measure PES-specific AEs and trends in the use of PES. Methods This was a retrospective cohort of consecutive patients who underwent first-time PES between June 2008 and June 2015. Indications for PES were dichotomized: (1) structural pathology (chronic pancreatitis and local complications of acute pancreatitis) and (2) suspected sphincter pathology (idiopathic recurrent acute pancreatitis and sphincter of Oddi dysfunction). Rates of AEs and pancreatic orifice reinterventions were measured, with reintervention rates limited to those having a minimum of 12-month follow-up. Results Of 567 patients, 198 (34.9%) underwent PES for structural and 369 (65.1%) for suspected sphincter pathology. Rates of post-endoscopic retrograde cholangiopancreatography pancreatitis and unplanned hospitalization were high when PES was originally performed for suspected sphincter pathology (12.6% and 14.6%, respectively). The overall reintervention rate was 28.9% and significantly greater for sphincter (41.7%) compared with structural pathology (13.5%, P = 0.005). Conclusions The likelihood of reintervention after PES is high, particularly when the primary indication is suspected sphincter pathology such as idiopathic recurrent acute pancreatitis. Further prospective studies are needed to clarify if and when this maneuver confers significant benefit to patients.

Adverse Events and Reinterventions Following Pancreatic Endoscopic Sphincterotomy.

Endoscopic mucosal resection with grasp-and-snare technique for challenging lesions

Stepwise endoscopic resection of a large gastric lipoma causing gastric outlet obstruction and GI bleeding.

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