Research Topics
| DAVID SCOTT ZINGMONDSummaryAffiliation: University of California Country: USA Publications
Research Grants
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Detail Information
Publications
Circumstances at HIV diagnosis and progression of disease in older HIV-infected AmericansD S Zingmond
Division of General Internal Medicine and Health Services Research, UCLA Department of Medicine, 911 Broxton Plaza, Los Angeles, CA 90095 1736, USA
Am J Public Health 91:1117-20. 2001..This study identified age-related differences in diagnosis and progression of HIV by analyzing a nationally representative sample of HIV-infected adults under care in the United States...
Measuring the quality of care provided to dually enrolled Medicare and Medicaid beneficiaries living in nursing homesDavid S Zingmond
Division of General Internal Medicine and Health Services Research, David Geffen School of Medicine at UCLA, 911 Broxton Avenue, Los Angeles, CA 90095 1736, USA
Med Care 47:536-44. 2009....- Measuring the quality of care provided to community dwelling vulnerable elders dually enrolled in Medicare and MedicaidDavid S Zingmond
Division of General Internal Medicine and Health Services Research, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
Med Care 45:931-8. 2007..Small studies suggest that the quality of healthcare provided to older patients needs improvement. However, measuring the quality of care for larger groups of older adults is difficult... - Association of claims-based quality of care measures with outcomes among community-dwelling vulnerable eldersDavid S Zingmond
Division of General Internal Medicine and Health Services Research, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095 1736, USA
Med Care 49:553-9. 2011..Few studies examine the link between measured process of care and outcome... 
The role of socioeconomic status on hip fractureD S Zingmond
Division of General Internal Medicine and Health Services Research, Department of Medicine, The David Geffen School of Medicine at UCLA, 911 Broxton Plaza, Los Angeles, CA, 90095 1736, USA
Osteoporos Int 17:1562-8. 2006..Race/ethnicity is a major determinant of hip fracture risk. Although socioeconomic status (e.g., income and acculturation) is often associated with race/ethnicity, its impact on hip fracture incidence is less well understood...- Hospitalization before and after gastric bypass surgeryDavid S Zingmond
Division of General Internal Medicine and Health Services Research, Department of Medicine, The David Geffen School of Medicine at the University of California Los Angeles, Los Angeles 90095 1736, USA
JAMA 294:1918-24. 2005..The use of Roux-en-Y gastric bypass (RYGB) has been reported to be effective in the treatment of obesity and its related comorbidities. Utilization of inpatient services after RYGB is less well understood... - Regional and institutional variation in the initiation of early do-not-resuscitate ordersDavid S Zingmond
Division of General Internal Medicine and Health Services Research, The David Geffen School of Medicine at UCLA, Los Angeles, Los Angeles, CA 90095 1736, USA
Arch Intern Med 165:1705-12. 2005..We examined these influences on the use of early DNR orders (written <24 hours after admission)... - Differences in symptom expression in older HIV-positive patients: The Veterans Aging Cohort 3 Site Study and HIV Cost and Service Utilization Study experienceDavid S Zingmond
Division of General Internal Medicine and Health Services Research, University of Southern California at Los Angeles, 90095 1736, USA
J Acquir Immune Defic Syndr 33:S84-92. 2003..Nonwhites appeared less likely to report symptoms. Age is a determinant of reporting certain symptoms in HIV disease but may be masked or accentuated by other factors such as race... - Increasing hip fracture incidence in California Hispanics, 1983 to 2000David S Zingmond
Division of General Internal Medicine, The David Geffen School of Medicine at UCLA, 911 Broxton Plaza, Los Angeles, CA 90095 1736, USA
Osteoporos Int 15:603-10. 2004..Hip fracture incidence in non-Hispanic whites (NHW) has decreased nationwide for the past 20 years. Little is known regarding hip fracture incidence among Hispanics, the largest, fastest growing minority in the United States... - Linking hospital discharge and death records--accuracy and sources of biasDavid S Zingmond
Division of General Internal Medicine and Health Services Research, The David Geffen School of Medicine at UCLA, 911 Broxton Plaza, Los Angeles, CA 90095 1736, USA
J Clin Epidemiol 57:21-9. 2004..The aim of this study was to develop and apply an automated linkage algorithm to 10 years of California hospitalization discharge abstracts and death records (1990 to 1999), evaluate linkage accuracy, and identify sources of bias... - Caring for octogenarian and nonagenarian patients with colorectal cancer: what should our standards and expectations be?Hiroko Kunitake
Department of Surgery, David Geffen School of Medicine at the University of California, Los Angeles, California, USA
Dis Colon Rectum 53:735-43. 2010..We describe their outcomes in a large population cohort and aim to establish expectations and improvements for their care... - Disparities in the utilization of high-volume hospitals for complex surgeryJerome H Liu
Center for Surgical Outcomes and Quality, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, Calif, USA
JAMA 296:1973-80. 2006..These differences may limit their ability to access or receive care at a high-volume hospital... - Small bowel obstruction: a population-based appraisalNova M Foster
Center for Surgical Outcomes and Quality, Department of Surgery, David Geffen School of Medicine at University of California, Los Angeles, CA 90095, USA
J Am Coll Surg 203:170-6. 2006..This is the first longitudinal population-based analysis of SBO evaluating surgical versus nonsurgical management and outcomes, including mortality and readmissions... - Comparison of reoperation rates following ankle arthrodesis and total ankle arthroplastyNelson F SooHoo
Department of Orthopaedic Surgery, University of California at Los Angeles, 10945 Le Conte Avenue, PVUB 3355, Los Angeles, CA 90095, USA
J Bone Joint Surg Am 89:2143-9. 2007..Our hypothesis was that patients treated with ankle replacement would have a lower risk of undergoing subtalar fusion but a higher overall risk of undergoing major revision surgery... - Disparities in the utilization of high-volume hospitals for total knee replacementNelson F SooHoo
Department of Orthopaedic Surgery, UCLA, Los Angeles, CA 90095, USA
J Natl Med Assoc 100:559-64. 2008..The objective of this study is to identify the characteristics of patients who undergo total knee replacement at high-volume hospitals and their differences from those who receive care at low-volume hospitals... - What is the rate of small bowel obstruction after colectomy?Janak A Parikh
Department of Surgery, Geffen School of Medicine at UCLA, Los Angeles, California 90095, USA
Am Surg 74:1001-5. 2008..001). One in 10 patients without a history of SBO who undergoes a colectomy will be readmitted at least once in the subsequent 3 years for SBO, and there is a high mortality rate in this group, especially in the elderly... - Complication rates following open reduction and internal fixation of ankle fracturesNelson F SooHoo
Department of Orthopaedic Surgery, University of California at Los Angeles, Los Angeles, CA 90095, USA
J Bone Joint Surg Am 91:1042-9. 2009..The purpose of the present investigation was to examine the risks of complications after open reduction and internal fixation of ankle fractures in a large population-based study... - Factors that predict short-term complication rates after total hip arthroplastyNelson F SooHoo
Department of Orthopaedic Surgery, UCLA School of Medicine, 10945 Le Conte Avenue, PVUB 3355, Los Angeles, CA 90095, USA
Clin Orthop Relat Res 468:2363-71. 2010..There remains uncertainty regarding the relative importance of patient factors such as comorbidity and provider factors such as hospital volume in predicting complication rates after total hip arthroplasty (THA)... - Incidence of pulmonary embolism following surgical treatment of metatarsal fracturesNelson F SooHoo
University of California, Los Angeles, Orthopaedic Surgery, Los Angeles, CA 90095, USA
Foot Ankle Int 31:600-3. 2010.... - Disparities in the utilization of high-volume hospitals for total hip replacementNelson F SooHoo
Department of Orthopaedic Surgery, University of California Los Angeles, 10945 Le Conte Ave, PVUB 3355, Los Angeles, CA 90095, USA
J Natl Med Assoc 103:31-5. 2011..The objective of this study was to identify the characteristics of patients who undergo total-hip replacement at high-volume hospitals and their differences from those who receive care at low-volume hospitals... - Optimal timeframe for reporting short-term complication rates after total knee arthroplastyNelson Fong SooHoo
Department of Orthopaedic Surgery, UCLA School of Medicine, Los Angeles, CA 90095, USA
J Arthroplasty 21:705-11. 2006..However, the regression results highlight the continued importance of reporting long-term outcomes... - The significance of inadvertent splenectomy during colorectal cancer resectionMarcia L McGory
Center for Surgical Outcomes and Quality, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, 72 215 Center for Health Sciences, Los Angeles, CA 90095 6904, USA
Arch Surg 142:668-74. 2007..To examine the frequency, predictors, and outcomes following inadvertent splenectomy during colorectal cancer resection... - A patient's race/ethnicity does not explain the underuse of appropriate adjuvant therapy in colorectal cancerMarcia L McGory
Department of Surgery, David Geffen School of Medicine, University of California Los Angeles, Center for Health Sciences, Box 956904, Los Angeles, California, 90095 6904, USA
Dis Colon Rectum 49:319-29. 2006..Numerous studies have demonstrated underuse of adjuvant therapy in colorectal cancer. The current study examines variables associated with underuse of adjuvant therapy... - Thirty-day mortality statistics underestimate the risk of repair of thoracoabdominal aortic aneurysms: a statewide experienceDavid A Rigberg
Center for Surgical Outcomes and Quality, UCLA School of Medicine, West Los Angeles Veterans Administration Medical Center, Los Angeles, CA, USA
J Vasc Surg 43:217-22; discussion 223. 2006..These data provide clinicians with information more applicable to an individual patient than mortality figures from a single institutional series... - Age stratified, perioperative, and one-year mortality after abdominal aortic aneurysm repair: a statewide experienceDavid A Rigberg
Center for Surgical Outcomes and Quality, UCLA School of Medicine, West Los Angeles Veterans Administration Medical Center, Los Angeles, CA, USA
J Vasc Surg 43:224-9. 2006..Age stratification could provide clinicians with information more applicable to an individual patient than overall mortality figures... - Factors predicting complication rates following total knee replacementNelson F SooHoo
Department of Orthopaedic Surgery, University of California at Los Angeles, 10945 Le Conte Avenue, PVUB 3355, Los Angeles, CA 90095, USA
J Bone Joint Surg Am 88:480-5. 2006..The purpose of this investigation was to expand on previous studies by more fully examining the role of a variety of patient and hospital characteristics in determining adverse outcomes following total knee replacement... - Do racial/ethnic disparities exist in the utilization of high-volume surgeons for women with ovarian cancer?Michelle A Aranda
Department of Surgery, The David Geffen School of Medicine at UCLA, 72 215 CHS, 10833 Le Conte Avenue, Los Angeles, CA 90095, USA
Gynecol Oncol 111:166-72. 2008..Determine if racial/ethnic disparities exist for access to high-volume surgeons (HVS) for patients with ovarian cancer... - Primary total knee arthroplasty in California 1991 to 2001: does hospital volume affect outcomes?Nelson F SooHoo
Department of Orthopaedic Surgery, UCLA School of Medicine, Los Angeles, California 90095 6902, USA
J Arthroplasty 21:199-205. 2006..07-1.97, P = .016), and thrombophlebitis (0.49% vs 0.28%, OR 2.12, 95% CI 1.47-3.05, P </= .001). This study confirms the relationship of lower hospital volumes to a higher OR for complications after total knee arthroplasty... - Negative appendectomy rate: influence of CT scansMarcia L McGory
David Geffen School of Medicine, University of California, Los Angeles, Department of Surgery, 10833 Le Conte Avenue, 72-215 Center for Health Sciences, Box 956904, Los Angeles, CA 90095-6904, USA
Am Surg 71:803-8. 2005..In conclusion, use of CT was associated with lower rate of negative appendectomy, depending on patient age and sex... - The diverse older HIV-positive population: a national profile of economic circumstances, social support, and quality of lifeStephen Crystal
Institute for Health, Health Care Policy, and Aging Research, Rutgers University, New Brunswick, New Jersey 08901, USA
J Acquir Immune Defic Syndr 33:S76-83. 2003..Interventions need to be tailored to the needs of these distinct subpopulations, with an emphasis on development of supportive care interventions for older IDUs... - Drug toxicity, HIV progression, or comorbidity of aging: does tipranavir use increase the risk of intracranial hemorrhage?Amy C Justice
Veterans Affairs Connecticut Healthcare System, West Haven, Connecticut 06516, USA
Clin Infect Dis 47:1226-30. 2008..We studied 2 large cohorts to estimate the background rate of intracranial hemorrhage and compared it with rates reported among persons who had been exposed to tipranavir... - Multispecialty stroke services in California hospitals are associated with reduced mortalityGretchen L Birbeck
Michigan State University, East Lansing, USA
Neurology 66:1527-32. 2006..To evaluate whether 1) a dedicated, multispecialty service, 2) a distinct hospital ward, 3) protocols, and 4) a specialist are associated with reduced mortality among patients with stroke... - The impact of managed care on access to highly active antiretroviral therapy and on outcomes among Medicaid beneficiaries with AIDSDavid S Zingmond
University of California Los Angeles, USA
Med Care Res Rev 64:66-82. 2007..Before making changes to care delivery, policy makers should address the potential costs and benefits of MCP over FFS Medicaid for chronically ill beneficiaries... - Intravenous tissue plasminogen activator for acute stroke in California: recipients and resourcesGretchen L Birbeck
Department of Neurology and Epidemiology, Michigan State University, East Lansing, Mich, USA
Cerebrovasc Dis 17:341-3. 2004
Research Grants
- Evaluating Quality of Long Term CareDavid Zingmond; Fiscal Year: 2007..3. Examine the impact of process of care on maintaining independence and function, preventing over-utilization, and decreasing mortality among home care recipients. ..
- Improving Reporting of Race, Ethnicity, and Language in CaliforniaDAVID SCOTT ZINGMOND; Fiscal Year: 2010..Results can be used to more accurately identify and address potential health and healthcare disparities arising through issues related to race, ethnicity, and language. ..