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1.
Ann Surg ; 250(6): 1014-20, 2009 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-19779327

RESUMO

OBJECTIVE: We sought to understand whether obesity imparts detriment in outcome beyond risk of developing surgical site infection (SSI). SUMMARY BACKGROUND DATA: Obesity is a risk factor for SSI following renal transplantation, and has been implicated in inferior patient and graft survival postoperatively. METHODS: We conducted a retrospective review of all adult kidney-only transplants performed at the University of Michigan between September 2003 and April 2008. The primary exposure variable was recipient body mass index (BMI). Cox multivariable regression and Kaplan-Meier analysis were used to identify factors associated with SSI, graft loss, and patient death. RESULTS: In total, 869 recipients were studied, including 351 with BMI >30. Multivariate analysis revealed recipient age, delayed graft function, and BMI >30 to be independent risk factors for SSI. SSI was a significant risk factor for graft loss (HR: 2.194, 95% CI: 1.357-3.546) and approached significance as a risk factor for patient death (HR: 1.689, 95% CI: 0.941-3.028). Obesity had no independent effect on graft or patient outcome. CONCLUSIONS: SSI is associated with detriment to patient and graft survival following renal transplantation. The prevalence of SSI is higher among obese recipients, but those who avoid SSI have comparable outcomes to nonobese recipients. These findings redemonstrate the importance of SSI prevention following renal transplantation.


Assuntos
Rejeição de Enxerto/epidemiologia , Transplante de Rim , Obesidade/complicações , Infecção da Ferida Cirúrgica/epidemiologia , Adulto , Índice de Massa Corporal , Feminino , Seguimentos , Rejeição de Enxerto/etiologia , Humanos , Incidência , Estimativa de Kaplan-Meier , Masculino , Michigan/epidemiologia , Pessoa de Meia-Idade , Obesidade/epidemiologia , Insuficiência Renal/complicações , Insuficiência Renal/cirurgia , Estudos Retrospectivos , Fatores de Risco , Infecção da Ferida Cirúrgica/etiologia , Taxa de Sobrevida/tendências , Resultado do Tratamento
2.
Surg Infect (Larchmt) ; 14(6): 512-9, 2013 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-24274058

RESUMO

BACKGROUND: Laparoscopic cholecystectomy (LC) is the procedure of choice for treatment of cholelithiasis/cholecystitis. Conversion rates (CR) to open cholecystectomy (OC) have been reported previously as 5-15% in elective cases, and up to 25% in patients with acute cholecystitis. We examined the CR in a tertiary-care academic hospital and a statewide surgery quality collaborative, and to compare complications and outcomes in elective and emergency cholecystectomy. METHODS: Prospective data were obtained from: 1) Non-Trauma Emergency Surgery (NTE) database of all emergent cholecystectomies 1/1/2008-12/31/2009; and 2) Michigan Surgical Quality Collaborative (MSQC) database with a random sample of 20-30% of all operations performed 1/1/2005-12/31/2010, including both University of Michigan (UM) data and statewide data from 34 participating hospitals. Patient characteristics, CR, and outcomes were compared for emergent vs. elective cases. RESULTS: Non-trauma ES patients had a mean hospital length of stay (HLOS) of 4.9 d. Open cholecystectomy-HLOS was greater (4.0, LC; 7.9 laparoscopic converted to open cholecystectomy; 8.7, OC, p<0.0001); mortality was 0.35% and CR was 17.5%. In the UM-MSQC dataset, OC-HLOS was greater (6.8 OC vs. 4.6 LC, p<0.001); mortality was 0.65%; CR was 9.1% in elective cases and 14.9% in emergent cases. CR was almost two-fold higher [17.5% of all NTE cholecystectomies vs. 9.1% of UM-MSQC elective cholecystectomies (p=0.00078)]. The statewide MSQC cholecystectomy data showed significantly increased HLOS in emergent cholecystectomy patients (4.34 vs. 2.65 d; p<0.0001). Morbidity (8.8 vs. 3.7%) and mortality (2.6 vs. 0.5%) rates were also significantly higher in emergent vs. elective cholecystectomies (p<0.0001). CONCLUSION: In NTE patients requiring cholecystectomy, CR is almost two-fold higher but is lower than in reports published previously (25%). However, there is a wide variability in mortality and morbidity for emergency cholecystectomy in both unadjusted and risk-adjusted analyses. Further studies are required to determine modifiable risk factors to improve outcomes in emergency cholecystectomy.


Assuntos
Colecistectomia/métodos , Colecistite/cirurgia , Colelitíase/cirurgia , Procedimentos Cirúrgicos Eletivos/métodos , Medicina de Emergência/métodos , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino , Michigan , Pessoa de Meia-Idade , Análise de Sobrevida , Resultado do Tratamento , Adulto Jovem
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