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Biomedical subjects

John F Pohl

Publications and source records attributed to John F Pohl.

8 recordsLinked to original sources
PubMed2006

Health-related quality of life in pediatric patients with irritable bowel syndrome: a comparative analysis.

The primary aim of the study was to investigate the generic health-related quality of life (HRQOL) of pediatric patients meeting Rome II criteria for irritable bowel syndrome (IBS) in comparison to healthy children. The secondary aim was to compare pediatric patients with IBS to pediatric patients with Rome II criteria diagnosed functional abdominal pain (FAP) and patients with diagnosed organic gastrointestinal (GI) disorders. The study also investigated the associations between GI symptoms with generic HRQOL and evaluated group differences in school days missed and days sick in bed and needing care. HRQOL was measured with the PedsQLtrade mark 4.0 Generic Core Scales (Physical, Emotional, Social, and School Functioning). The PedsQLtrade mark was administered in outpatient pediatric gastroenterology clinics in California, Texas, and New Jersey. A total of 287 families (280 child self-report, 286 parent proxy-report) with children diagnosed with IBS (n = 123), FAP (n = 82), or organic GI disorders (n = 82) participated. Pediatric patients with IBS demonstrated significantly lower Physical, Emotional, Social, and School Functioning in comparison to healthy children, and comparable HRQOL to patients with FAP and organic GI diagnoses. GI symptoms were significantly associated with generic HRQOL. Patients with IBS demonstrated a significantly greater number of days missed from school, days sick in bed/too ill to play, and days needing someone to care for them than healthy children, but significantly fewer days than patients with FAP and organic GI disorders. Pediatric patients with IBS demonstrated impaired HRQOL in dimensions measuring Physical, Emotional, Social, and School Functioning. These findings suggest the need for targeted interventions to address these dimensions of impaired HRQOL.

Abdominal Pain↗
PubMed2006

Pediatric obesity: impact and surgical management.

The incidence of children in the United States who are overweight or obese is increasing at an alarming rate, and many obesity-related complications are now being described in children. There appears to be no current pharmacologic treatment or surgical procedure that is both safe and effective for millions of obese children. Bariatric surgery may be useful, however, in carefully selected obese children with associated serious comorbidities unresponsive to medical or dietary interventions. The complications of pediatric obesity are discussed, as well as current medical and surgical management of this disorder.

Bariatric Surgery↗
PubMed2005

Ileal atresia associated with Hirschsprung disease (total colonic aganglionosis).

One of the most common causes of small bowel obstruction in newborns is ileal atresia, and one of the most common causes of colonic obstruction in neonates is aganglionic megacolon (Hirschsprung disease). However, atresias of the small intestinal tract associated with Hirschsprung disease are extremely rare. We describe an infant born with both ileal atresia and Hirschsprung disease. This is the 19th known report of the case of an infant who had ileal atresia associated with Hirschsprung disease.

Female↗
PubMed2003

Bone mineral density in long-term survivors following pediatric liver transplantation.

We sought to estimate the prevalence of reduced bone mass, defined by lumbar spine bone mineral density (LS-BMD) (z-score < -2.0), and to determine the factors associated with LS-BMD after liver transplantation in children and adolescents. LS-BMD z-scores were measured in a sample of subjects who had undergone liver transplantation in childhood or adolescence using dual energy x-ray absorptiometry (DXA). One hundred nine patients underwent DXA. The mean age at transplantation was 4.3 years (median, 1.8 years), and mean duration since transplantation was 6.2 years (median, 5.8 years). The mean weight z-score was -0.130 (SD, 1.26). The mean LS-BMD z-score was -0.243 (SD, 1.27). Eight patients, or 7.3% (95% confidence interval [CI], 2.4% to 12.2%), had reduced bone mass. Compared with those without reduced bone mass, subjects with reduced bone mass were more likely to have been treated for rejection at least once (87.5% versus 51.5%; P =.07), and had greater cumulative exposure to prednisone during the year before DXA (92.3 versus 26.2 mg/kg/y; P =.001). Multiple linear regression determined that LS-BMD z-score was positively associated with time since transplantation and weight z-score and negatively associated with cumulative prednisone exposure. Serum 25-OH vitamin D was measured and reduced (< 15 ng/mL) in 5 of 87 patients, one of whom had reduced bone mass. In conclusion, the prevalence of reduced bone mass was 7.3% in our population. Only certain patients appear to be at risk for low BMD, including those with a history of rejection. Screening for reduced bone mass may be appropriate for these patients.

Absorptiometry, Photon↗