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Objective: To perform a cost-effectiveness analysis to examine the utility and effectiveness of OS performed at the time of elective cholecystectomy [laparoscopic cholecystectomy (LAP-CHOL)]., Summary Background Data: OS has been adopted as a strategy to reduce the risk of ovarian cancer in women undergoing hysterectomy and tubal sterilization, although the procedure is rarely performed as a risk reducing strategy during other abdominopelvic procedures., Methods: A decision model was created to examine women 40, 50, and 60 years of age undergoing LAP-CHOL with or without OS. The lifetime risk of ovarian cancer was assumed to be 1.17%, 1.09%, and 0.92% for women age 40, 50, and 60 years, respectively. OS was estimated to provide a 65% reduction in the risk of ovarian cancer and to require 30 additional minutes of operative time. We estimated the cost, quality-adjusted life-years, ovarian cancer cases and deaths prevented with OS., Results: The additional cost of OS at LAP-CHOL ranged from $1898 to 1978. In a cohort of 5000 women, OS reduced the number of ovarian cancer cases by 39, 36, and 30 cases and deaths by 12, 14, and 16 in the age 40-, 50-, and 60-year-old cohorts, respectively. OS during LAP-CHOL was cost-effective, with incremental cost-effectiveness ratio of $11,162 to 26,463 in the 3 age models. In a probabilistic sensitivity analysis, incremental cost-effectiveness ratio for OS were less than $100,000 per quality-adjusted life-years in 90.5% or more of 1000 simulations., Conclusions: OS at the time of LAP-CHOL may be a cost-effective strategy to prevent ovarian cancer among average risk women., (Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.)

Background: Although breast-conserving surgery is oncologically safe for women with early-stage breast cancer, mastectomy rates are increasing. The objective of this study was to examine the role of breast reconstruction in the surgical management of unilateral early-stage breast cancer., Methods: A retrospective cohort study of women diagnosed with unilateral early-stage breast cancer (1998 to 2011) identified in the National Cancer Data Base was conducted. Rates of breast-conserving surgery, unilateral and bilateral mastectomy with contralateral prophylactic procedures (per 1000 early-stage breast cancer cases) were measured in relation to breast reconstruction. The association between breast reconstruction and surgical treatment was evaluated using a multinomial logistic regression, controlling for patient and disease characteristics., Results: A total of 1,856,702 patients were included. Mastectomy rates decreased from 459 to 360 per 1000 from 1998 to 2005 (p < 0.01), increasing to 403 per 1000 in 2011 (p < 0.01). The mastectomy rates rise after 2005 reflects a 14 percent annual increase in contralateral prophylactic mastectomies (p < 0.01), as unilateral mastectomy rates did not change significantly. Each percentage point of increase in reconstruction rates was associated with a 7 percent increase in the probability of contralateral prophylactic mastectomies, with the greatest variation explained by young age(32 percent), breast reconstruction (29 percent), and stage 0 (5 percent)., Conclusions: Since 2005, an increasing proportion of early-stage breast cancer patients have chosen mastectomy instead of breast-conserving surgery. This trend reflects a shift toward bilateral mastectomy with contralateral prophylactic procedures that may be facilitated by breast reconstruction availability.

Objective: To develop 2 instruments that predict the probability of perioperative red blood cell transfusion in patients undergoing elective liver resection for primary and secondary tumors., Summary Background Data: Hepatic resection is the most effective treatment for several benign and malign conditions, but may be accompanied by substantial blood loss and the need for perioperative transfusions. While blood conservation strategies such as autologous blood donation, acute normovolemic hemodilution, or cell saver systems are available, they are economically efficient only if directed toward patients with a high risk of transfusion., Methods: Using preoperative data from 1204 consecutive patients who underwent liver resection between 1995 and 2000 at Memorial Sloan- Kettering Cancer Center, we modeled the probability of perioperative red blood cell transfusion. We used the resulting model, validated on an independent dataset (n = 555 patients), to develop 2 prediction instruments, a nomogram and a transfusion score, which can be easily implemented into clinical practice., Results: The planned number of liver segments resected, concomitant extrahepatic organ resection, a diagnosis of primary liver malignancy, as well as preoperative hemoglobin and platelets levels predicted the probability of perioperative red blood cell transfusion. The predictions of the model appeared accurate and with good discriminatory abilities, generating an area under the receiver operating characteristic curve of 0.71., Conclusions: Preoperative factors can be combined into risk profiles to predict the likelihood of transfusion during or after elective liver resection. These predictions, easy to calculate in the frame of a nomogram or of a transfusion score, can be used to identify patients who are at high risk for red cell transfusions and therefore most likely to benefit from blood conservation techniques.

Background: Fragmentation across sites of care may impede efficient healthcare delivery., Objectives: The objectives of this study were to evaluate fragmentation of hospital care for chronically ill New York City (NYC) residents and its association with enrollment in the New York State (NYS) Medicaid program., Research Design: We conducted a cross-sectional study using the NYS Department of Health's Statewide Planning and Research Cooperative System discharge database. We identified 53,031 NYC residents admitted 3 or more times to acute care hospitals between 2000 and 2002 with the same principal diagnosis of a specific chronic illness (diabetes, sickle cell anemia, psychosis, substance abuse, cancer, gastrointestinal disease, chronic obstructive pulmonary disease/asthma, coronary artery disease, or congestive heart failure). We also evaluated a larger cohort of 225,421 patients with >or=3 admissions for a specific chronic illness coded as either the principal or a secondary diagnosis. A generalized logit model was used to examine the relationship between fragmentation and each patient's primary insurance adjusted for diagnosis and demographic characteristics., Measures: Fragmentation was characterized as high, moderate, or low based on the number of distinct hospitals a patient visited relative to the patient's total number of hospitalizations over the 3-year interval., Results: Among frequently hospitalized NYC residents with select chronic conditions, 17.1% experienced highly fragmented care. This rate was 9.9% for patients with commercial insurance, 24.4% for those with Medicaid, and 9.7% for those with Medicare. The unadjusted odds ratio describing high fragmentation of Medicaid enrollees compared with commercially insured patients was 3.82 (95% confidence interval [CI], 3.50-4.18) and, although attenuated, remained significant after adjustment for demographic characteristics (odds ratio, 1.33; 95% CI, 1.20-1.47). The strongest predictor of fragmentation was a diagnosis of psychosis (OR, 2.81; 95% CI, 2.43-3.25) or substance abuse (OR, 7.58; 95% CI, 6.55-8.77)., Conclusions: In NYC, Medicaid enrollment is associated with greater fragmentation of hospital care, but this is largely attributable to the preponderance of Medicaid enrollees with diagnoses of psychosis and substance abuse. Strategies to improve the efficiency of healthcare delivery should focus on patients with mental illness who are frequently admitted to general hospitals.

Objective: To quantify the impact of labor induction and maternal age on cesarean delivery rates in nulliparous and multiparous women between 36 and 42 weeks' gestation., Methods: We performed a retrospective cohort study on 14,409 women delivering at two teaching hospitals in metropolitan Boston during 1998 and 1999. Women who had contraindications to labor, including a prior cesarean delivery, were excluded. The risks for cesarean delivery by induction status, gestational age by completed week between 36 and 42 weeks, maternal age <35, 35-39, and >/=40 years, and stratified by parity, were calculated by logistic regression., Results: In nulliparas, labor induction was associated with an increase in cesarean delivery from 13.7% to 24.7% (adjusted odds ratio [OR] 1.70; 95% confidence interval [CI] 1.48, 1.95]). In multiparas, induction was associated with an increase from 2.4% to 4.5% (OR 1.49; 95% CI 1.10, 2.00). Other variables that placed a nulliparous woman at increased risk for cesarean delivery included maternal age of at least 35 years and gestational ages over 40 weeks. For multiparas, only maternal age 40 years or older and gestational age of 41 weeks were associated with an increase in cesarean deliveries., Conclusion: Induction of labor, older maternal age, and gestational age over 40 weeks each independently increase the risk for cesarean delivery in both nulliparous and multiparous women. Although the relative risk from induction is similar in nulliparas and multiparas, the absolute magnitude of the increase is much greater in nulliparas (11% versus 2.1%).