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Natural killer (NK) cells are critical in the first-line defense against viral infections. Chronic HIV-1 infection leads to a perturbation in the NK cell compartment, yet the kinetics of this deregulation and the functional consequences are unclear. Here, we characterized changes in the NK cell compartment longitudinally by multiparameter flow cytometry,(More)
AIM To determine effect of irritable bowel syndrome (IBS) subtype on IBS-specific quality of life (QOL) questionnaire and its subscales. METHODS We studied IBS patients visiting our functional gastroenterology disorder clinic at a tertiary care center of Unites States. IBS and IBS subtype were diagnosed using Rome-III questionnaire. QOL was assessed using(More)
BACKGROUND Although aspirin is recommended for the prevention of colorectal cancer, the specific individuals for whom the benefits outweigh the risks are not clearly defined. Moreover, the precise mechanisms by which aspirin reduces the risk of cancer are unclear. We recently launched the ASPirin Intervention for the REDuction of colorectal cancer risk(More)
BACKGROUND AND AIM Elderly, hospitalized patients suffer disproportionately from constipation; however, little data suggest that constipation prophylaxis reduces length of stay (LOS). We performed a retrospective analysis of elderly patients admitted to our hospital with congestive heart failure (CHF) to determine the effects of constipation prophylaxis on(More)
OBJECTIVES This study aimed to examine the long-term clinical outcomes of children with severe constipation, as defined by need for rectal biopsy (RB), and to determine which baseline characteristics were predictors of successful outcome. METHODS Children with severe constipation who underwent RB for evaluation of Hirschsprung disease at a tertiary(More)
  • Kyle Staller
  • 2015
OPINION STATEMENT Physiologic assessment of the anorectum and pelvic floor by anorectal manometry and balloon expulsion testing provides important insights into the pathologic processes underlying defecatory disorders and guides treatment, specifically the use of biofeedback for the treatment of dyssynergic defecation and the identification of possible(More)
We evaluated the safety and efficacy of the laparoscopic-assisted percutaneous endoscopic cecostomy (LAPEC) procedure both in children and young adults, along with review of their pre-operative motility profiles, antegrade continence enema (ACE) regimen, and postoperative complications. This retrospective review investigated 38 patients (32 children and 6(More)
GOALS To demonstrate feasibility and clinical utility of endoscopically assisted manometry (EAM). BACKGROUND Esophageal manometry performed without sedation is the standard for assessment of esophageal motility. However, some patients cannot tolerate the procedure with intranasal intubation. We have accumulated experience performing EAM with minimal(More)
BACKGROUND Chronic constipation is common and exerts a considerable burden on health-related quality of life and healthcare resource utilization. Anorectal manometry (ARM) and colonic transit testing have allowed classification of subtypes of constipation, raising promise of targeted treatments. There has been limited study of the correlation between(More)
BACKGROUND The epidemiology of chronic constipation (CC) skews toward female predominance, yet men make up an important component of those suffering from CC. We sought to determine whether there are sex-specific differences in symptoms and physiologic parameters on anorectal manometry (ARM). METHODS We performed a case-control analysis of sequential men(More)