2012
Insulin resistance is associated with elevated serum pigment epithelium–derived factor (PEDF) levels in morbidly obese patients
Gattu AK, Birkenfeld AL, Jornayvaz F, Dziura J, Li F, Crawford SE, Chu X, Still CD, Gerhard GS, Chung C, Samuel V. Insulin resistance is associated with elevated serum pigment epithelium–derived factor (PEDF) levels in morbidly obese patients. Acta Diabetologica 2012, 49: 161-169. PMID: 22547263, DOI: 10.1007/s00592-012-0397-y.Peer-Reviewed Original ResearchConceptsPigment epithelium-derived factorMorbidly obese patientsPEDF levelsInsulin resistanceDiabetes mellitusHigh glucose mediumObese patientsSerum pigment epithelium-derived factor (PEDF) levelsPigment epithelium-derived factor levelsSerum pigment epithelium-derived factorHomeostasis model assessment scoreCounter-regulatory factorsSerum PEDF concentrationGastric bypass surgeryHuman hepatocytesSignificant risk factorsModel assessment scoreSerum PEDF levelsEpithelium-derived factorPrimary human hepatocytesHOMA scorePEDF concentrationDiabetes medicationsGastric bypassIR patients
2008
Socioeconomic predictors of weight loss after laparoscopic Roux-Y gastric bypass
Akkary E, Nerlinger A, Yu S, Dziura J, Duffy AJ, Bell RL. Socioeconomic predictors of weight loss after laparoscopic Roux-Y gastric bypass. Surgical Endoscopy 2008, 23: 1246-1251. PMID: 18813989, DOI: 10.1007/s00464-008-0138-z.Peer-Reviewed Original ResearchConceptsBody mass indexInitial body mass indexPostoperative weight lossWeight lossLaparoscopic RouxBMI decreaseSocioeconomic statusInitial mean body mass indexMedian household incomeMean body mass indexPrivate insuranceAppropriate patient selectionPrivate insurance groupPostoperative behavioral changesInsurance carriersProspective databaseGastric bypassPatient demographicsSingle surgeonMass indexPatient selectionGroup APatientsLRYGBHousehold incomeThe paradox of the pouch: prompt emptying predicts improved weight loss after laparoscopic Roux-Y gastric bypass
Akkary E, Sidani S, Boonsiri J, Yu S, Dziura J, Duffy AJ, Bell RL. The paradox of the pouch: prompt emptying predicts improved weight loss after laparoscopic Roux-Y gastric bypass. Surgical Endoscopy 2008, 23: 790. PMID: 18806946, DOI: 10.1007/s00464-008-0069-8.Peer-Reviewed Original ResearchConceptsWeight lossGastric bypassLaparoscopic RouxOperative timeGastric pouchSlow emptyingAnalysis of covarianceBody mass index lossLinear stapler techniqueUpper gastrointestinal evaluationGroup B patientsPostoperative day 1Postoperative weight lossInfluences weight lossLength of stayMore weight lossAnastomotic edemaUGI studiesProspective databaseRate of contrastB patientsGastrointestinal evaluationPatient demographicsSingle surgeonNormal gastric