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Articles by P. M Colombani
Total Records ( 4 ) for P. M Colombani
  M Camp , D. C Chang , Y Zhang , K Chrouser , P. M Colombani and F. Abdullah

Objective  To determine risk factors and outcomes associated with a foreign body left during a procedure in a population of pediatric surgical patients.

Design  Case-control study.

Setting  The Nationwide Inpatient Sample and Kids' Inpatient Database were used to identify hospitalized pediatric surgical patients in the United States (aged 0-18 years) from 1988 to 2005.

Patients  After data from 1 946 831 hospitalizations in children were linked to the Agency for Healthcare Research and Quality Pediatric Quality Indicator (PDI) software, 413 pediatric patients with foreign bodies left during a procedure (PDI 3) were identified. A 1:3 matched case-control design was implemented with 413 cases and 1227 controls. Cases and controls were stratified into procedure categories based on diagnosis related group procedure codes.

Main Outcome Measures  To examine the relationship between PDI 3 and procedure category, as well as the outcomes of in-hospital mortality, length of stay, and total hospital charges.

Results  Logistic regression analysis revealed a statistically significant higher odds of PDI 3 in the gynecology procedure category (odds ratio, 4.13; P = .01). Multivariable regression analysis revealed that patients with PDI 3 had an 8-day longer length of stay (95% confidence interval, 5.6-10.3 days; P < .001) and $35 681 higher total hospital charges (95% confidence interval, $22 358-$49 004; P < .001) but were not more likely to die (odds ratio, 1.07; P = .92).

Conclusions  Among pediatric surgical admissions, a foreign body left during a procedure was observed to occur with highest likelihood during gynecologic operations. The occurrence of this adverse event was associated with longer length of stay and greater total hospital charges, but not with increased mortality.

  F Abdullah , Y Zhang , M Camp , D Mukherjee , A Gabre Kidan , P. M Colombani and D. C. Chang

Necrotizing enterocolitis (NEC) is the most common gastrointestinal emergency of the neonate. Previous information about this disease has largely been gathered from limited series. We analyzed 13 years of the National Inpatient Sample (NIS) and 3 years of the Kids’ Inpatient Database (KID; 1997, 2000, 2003) to generate the most comprehensive profile of outcomes to date of medically versus surgically treated NEC. We identified 20 822 infants with NEC, of whom 15 419 (74.1%) and 5403 (25.9%) were undergoing medical and surgical management, respectively. Overall, surgical patients had greater length of stay, total hospital charges, and mortality. Among infants dying during admission, there was no significant difference in length of stay or charges between the medical and surgical groups. These findings highlight the need for developing a clinically relevant risk stratification tool to identify NEC patients at high risk for death.

  F Abdullah , Y Zhang , T Lardaro , M Black , P. M Colombani , K Chrouser , P. J Pronovost and D. C. Chang

The number of uninsured children in the USA is increasing while the impact on children's health of being uninsured remains largely uncharacterized. We analyzed data from more than 23 million US children to evaluate the effect of insurance status on the outcome of US pediatric hospitalization.


In our analysis of two well-known large inpatient databases, we classified patients less than 18 years old as uninsured (self-pay) or insured (including Medicaid or private insurance). We adjusted for gender, race, age, geographic region, hospital type, admission source using regression models. In-hospital death was the primary outcome and secondary outcomes were hospital length of stay and total hospital charges adjusted to 2007 dollars.


The crude in-hospital mortality was 0.75% for uninsured versus 0.47% for insured children, with adjusted mortality rates of 0.74 and 0.46%, respectively. On multivariate analysis, uninsured compared with insured patients had an increased mortality risk (odds ratio: 1.60, 95% CI: 1.45–1.76). The excess mortality in uninsured children in the US was 37.8%, or 16 787, of the 38 649 deaths over the 18 period of the study.


Children who were hospitalized without insurance have significantly increased all-cause in-hospital mortality as compared with children who present with insurance.

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