Research Topics
| Jean FreemanSummaryAffiliation: University of Texas Medical Branch Country: USA Publications
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Publications
An approach to identifying incident breast cancer cases using Medicare claims dataJ L Freeman
Division of Geriatric Medicine, Department of Internal Medicine, University of Texas Medical Branch, Galveston, TX 77555, USA
J Clin Epidemiol 53:605-14. 2000..g., high sensitivity for registry validation, high specificity for outcomes research). It also allows us to make specific adjustments to population based estimates of breast cancer incidence with claims...
Measuring the performance of screening mammography in community practice with Medicare claims dataJean L Freeman
Sealy Center on Aging, Department of Preventive Medicine and Community Health, University of Texas Medical Branch, 301 University Boulevard, Galveston, TX 77555 0860, USA
Women Health 37:1-15. 2003..Few studies have examined the outcomes of screening mammography in community practice, particularly the extent of false positive exams among older asymptomatic women...
Measuring breast, colorectal, and prostate cancer screening with medicare claims dataJean L Freeman
Sealy Center on Aging, University of Texas Medical Branch, Galveston, Texas 77555 0460, USA
Med Care 40:IV-36-42. 2002..Medicare claims may be a useful source of data when screening older populations, but they are limited in terms of completeness and the ability to distinguish screening tests from those provided for diagnosis or surveillance...
Hospice use by Hispanic and non-Hispanic white cancer decedentsNuha A Lackan
Sealy Center on Aging, University of Texas Medical Branch at Galveston, 77555-0460, USA
Health Serv Res 39:969-83. 2004..Additional studies from other national registries may be necessary to confirm these findings...
Increasing access to medical oncology consultation in older patients with stage II-IIIA non-small-cell lung cancerJue Wang
Department of Internal Medicine, Section of Oncology Hematology, University of Nebraska Medical Center, Omaha, NE 68198 7680, USA
Med Oncol 25:125-32. 2008..Therefore it was managed by surgeons. However, with growing evidence of the benefit of adjuvant chemotherapy, such patients should also be evaluated by a medical oncologist...
Regular mammography use is associated with elimination of age-related disparities in size and stage of breast cancer at diagnosisWhitney M Randolph
University of Texas Medical Branch, Galveston, Texas 77555-0460, USA
Ann Intern Med 137:783-90. 2002..CONCLUSION: Mammography in older women is associated with elimination of age-related disparities in size and stage of breast cancer at diagnosis...
Pap smear use in a population of older Mexican-American womenWhitney M Randolph
Department of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston 77555-1153, USA
Women Health 36:21-31. 2002..CONCLUSION: Recent Pap smear use (64.1%) falls well below the year 2010 goal of 90%. Efforts need to be made to overcome barriers to Pap smear utilization for these women, such as providing access to female medical care...
Continuity of care and intensive care unit use at the end of lifeGulshan Sharma
Division of Allergy, Pulmonary, Immunology, Critical Care, and Sleep, The University of Texas Medical Branch, 301 University Blvd, Room JSA 5 112, Galveston, TX 77555 0561, USA
Arch Intern Med 169:81-6. 2009..There is increasing concern about discontinuity of care across transitions (eg, from home to the hospital) and how it might affect appropriate medical management...
Readmission after pancreatectomy for pancreatic cancer in Medicare patientsDeepthi M Reddy
Department of Surgery, University of Texas Medical Branch, 301 University Boulevard, Galveston, TX 77555 0542, USA
J Gastrointest Surg 13:1963-74; discussion 1974-5. 2009..The objective of this study was to use a population-based dataset to evaluate the number of readmissions and reasons for readmission in Medicare patients undergoing pancreatectomy for pancreatic cancer...
Temporal trends and predictors of perioperative chemotherapy use in elderly patients with resected nonsmall cell lung cancerJue Wang
Department of Internal Medicine, Section of Oncology Hematology, University of Nebraska Medical Center, Omaha, Nebraska 68198 7680, USA
Cancer 112:382-90. 2008..The authors assessed patterns of perioperative chemotherapy use in elderly patients with resected stage I, II, or IIIA nonsmall cell lung cancer (NSCLC) from 1992 to 2002...
Comanagement of hospitalized surgical patients by medicine physicians in the United StatesGulshan Sharma
Department of Internal Medicine, 301 University Blvd, University of Texas Medical Branch, Galveston, TX 77555 0561, USA
Arch Intern Med 170:363-8. 2010..We examined the extent to which comanagement is used during hospitalizations for common surgical procedures in the United States...
The influence of marital status on stage at diagnosis and survival of older persons with melanomaCarlos A Reyes Ortiz
Sealy Center on Aging, Department of Internal Medicine, University of Texas Medical Branch, 301 University Blvd, Galveston, TX 77555 0460, USA
J Gerontol A Biol Sci Med Sci 62:892-8. 2007..The objective of this study was to determine the association between marital status and stage at diagnosis and survival of older persons with cutaneous melanoma...
Trends and disparities in regionalization of pancreatic resectionTaylor S Riall
Department of Surgery, University of Texas Medical Branch, 301 University Boulevard, Galveston, TX 77555 0542, USA
J Gastrointest Surg 11:1242-51; discussion 1251-2. 2007..The current recommendation is that pancreatic resections be performed at hospitals doing >10 pancreatic resections annually...
Intravenous bisphosphonate therapy and inflammatory conditions or surgery of the jaw: a population-based analysisGregg S Wilkinson
Department of Preventive Medicine and Community Health, University of Texas Medical Branch, 301 University Blvd, Galveston, TX 77555 1153, USA
J Natl Cancer Inst 99:1016-24. 2007..We investigated this association by use of data from the Surveillance, Epidemiology, and End Results (SEER) program linked to Medicare claims...
Incidence of additional primary cancers in patients with invasive intraductal papillary mucinous neoplasms and sporadic pancreatic adenocarcinomasTaylor S Riall
Department of Surgery, The University of Texas Medical Branch, Galveston, TX 77555 0542, USA
J Am Coll Surg 204:803-13; discussion 813-4. 2007..There have been no population-based studies evaluating this incidence rate...
Pancreatic cancer in the general population: Improvements in survival over the last decadeTaylor S Riall
Department of Surgery, The University of Texas Medical Branch, Galveston, Texas 77555 0542, USA
J Gastrointest Surg 10:1212-23; discussion 1223-4. 2006..It is unknown whether the improved survival seen at high-volume centers has been translated to all patients with pancreatic cancer...
Socioeconomic status and survival in older patients with melanomaCarlos A Reyes-Ortiz
Sealy Center on Aging, Department of Internal Medicine, University of Texas Medical Branch, Galveston, Texas 77555, USA
J Am Geriatr Soc 54:1758-64. 2006..To determine the association between socioeconomic status (SES) and survival in older patients with melanoma...
Predictors of healthcare utilization among older Mexican AmericansSoham Al Snih
Department of Internal Medicine, Sealy Center on Aging, The University of Texas Medical Branch, Galveston, Texas 77555 0460, USA
Ethn Dis 16:640-6. 2006..To examine the effects of predisposing, enabling, and need factors on physician and hospital use among older Mexican Americans...
Characteristics of urologists predict the use of androgen deprivation therapy for prostate cancerVahakn B Shahinian
Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109 0725, USA
J Clin Oncol 25:5359-65. 2007..Using the Surveillance, Epidemiology, and End Results-Medicare linked database, we examined how individual urologist characteristics influenced the use of androgen deprivation therapy...
Outpatient follow-up visit and 30-day emergency department visit and readmission in patients hospitalized for chronic obstructive pulmonary diseaseGulshan Sharma
Department of Internal Medicine, Sealy Center of Aging, University of Texas Medical Branch, Galveston, USA
Arch Intern Med 170:1664-70. 2010..We examined the effect of early follow-up visit with patient's primary care physician (PCP) or pulmonologist following acute hospitalization on the 30-day risk of an emergency department (ER) visit and readmission...
Outcomes following pancreatic resection: variability among high-volume providersTaylor S Riall
Department of Surgery, University of Texas Medical Branch, Galveston, TX 77555 0542, USA
Surgery 144:133-40. 2008..However, it is unclear if volume alone should be the sole criteria for regionalization. The objective of this study is to evaluate variability in outcomes among high-volume hospitals (>11 resections/year)...
Effect of a dementia diagnosis on survival of older patients after a diagnosis of breast, colon, or prostate cancer: implications for cancer careMukaila A Raji
Memory Loss Clinic, Division of Geriatrics, Department of Internal Medicine, Sealy Center on Aging, University of Texas Medical Branch, Galveston, TX 77555 0460, USA
Arch Intern Med 168:2033-40. 2008..We therefore examined the associations between preexisting diagnoses of dementia and survival from breast, colon, and prostate cancer...
Risk of subsequent dementia diagnoses does not vary by types of adjuvant chemotherapy in older women with breast cancerMukaila A Raji
Department of Internal Medicine, Sealy Center on Aging, University of Texas Medical Branch, 301 University Blvd, Rt 0460, Galveston, TX 77555 0460, USA
Med Oncol 26:452-9. 2009..Little is known about long-term cognitive side effects of adjuvant chemotherapy for breast cancer. We thus examined incidence of dementia diagnoses in older women diagnosed with breast cancer, stratified by types of chemotherapy regimen...
Dissecting racial disparities in the treatment of patients with locoregional pancreatic cancer: a 2-step processTaylor S Riall
Department of Surgery, University of Texas Medical Branch, 301 University Boulevard, Galveston, TX 77555 0542, USA
Cancer 116:930-9. 2010..The objective of this study was to determine whether these disparities occur at the point of surgical evaluation or after evaluation has taken place...
Growth in the care of older patients by hospitalists in the United StatesYong Fang Kuo
Department of Internal Medicine and the Sealy Center on Aging, University of Texas Medical Branch, Galveston 77555 0460, USA
N Engl J Med 360:1102-12. 2009..National and population-based information on the increase in patient care by hospitalists in the United States is lacking...
Correlates of bacterial pneumonia hospitalizations in elders, Texas borderFrank C Lemus
Department of Preventive Medicine and Community Health, Sealy Center on Aging, The University of Texas Medical Branch, Galveston, TX 77555 1153, USA
J Immigr Minor Health 12:423-32. 2010..This study explored associations of individual and county correlates with bacterial pneumonia hospitalization rates for elders residing in 32 Texas counties bordering Mexico...
Continuity of outpatient and inpatient care by primary care physicians for hospitalized older adultsGulshan Sharma
Department of Internal Medicine, University of Texas Medical Branch, 301 University Blvd, JSA 5 112, Galveston, TX 77555 0561, USA
JAMA 301:1671-80. 2009..Little is known about the extent of continuity of care across the transition from outpatient care to hospitalization...
The relationship between depressive symptoms and shoulder mobility among older women: assessment at one year after breast cancer diagnosisMabel E Caban
Department of Orthopedics and Rehabilitation, Route 0165, University of Texas Medical Branch, Galveston, TX 77555, USA
Clin Rehabil 20:513-22. 2006....
Variation in false-positive rates of mammography reading among 1067 radiologists: a population-based assessmentAlai Tan
Department of Preventive Medicine and Community Health, Office of Epidemiology and Biostatistics, University of Texas Medical Branch, 301 University Boulevard, Galveston, Texas 77555 1148, USA
Breast Cancer Res Treat 100:309-18. 2006..The accuracy of mammography reading varies among radiologists. We conducted a population-based assessment on radiologist variation in false- positive rates of screening mammography and its associated radiologist characteristics...
Determinants of androgen deprivation therapy use for prostate cancer: role of the urologistVahakn B Shahinian
Department of Internal Medicine, University of Texas Medical Branch, John Sealy Annex 4 200, 301 University Blvd, Galveston, TX 77555 0562, USA
J Natl Cancer Inst 98:839-45. 2006....
Risk of fracture after androgen deprivation for prostate cancerVahakn B Shahinian
Department of Internal Medicine, University of Texas Medical Branch, Galveston, TX 77555 0562, USA
N Engl J Med 352:154-64. 2005..This treatment is associated with a loss of bone-mineral density, but the risk of fracture after androgen-deprivation therapy has not been well studied...
Decreasing variation in the use of hospice among older adults with breast, colorectal, lung, and prostate cancerNuha A Lackan
Sealy Center on Aging, the dagger Department of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston, Texas 77555 0460, USA
Med Care 42:116-22. 2004..Utilization of hospice services has been shown to vary by place of residence and patient characteristics...
The association of marital status and hospice use in the USANuha A Lackan
Sealy Center on Aging, 301 University Boulevard, Galveston, TX 77555 0460, USA
Palliat Med 19:160-2. 2005..Married individuals are more likely to use hospice than unmarried individuals. We examine this association and how it is influenced by gender...
The effect of socioeconomic factors on incidence, stage at diagnosis and survival of cutaneous melanomaCarlos A Reyes Ortiz
Division of Geriatric Medicine, Sealy Center on Aging, University of Texas Medical Branch, Galveston, 77555, USA
Med Sci Monit 11:RA163-172. 2005..These differences reflect a disparity in melanoma outcomes across diverse SES populations in many countries...
Effect of nurse case management on the treatment of older women with breast cancerJames S Goodwin
Department of Internal Medicine, School of Medicine, The University of Texas Medical Branch, Galveston, Texas 77555, USA
J Am Geriatr Soc 51:1252-9. 2003..To evaluate the effect of nurse case management on the treatment of older women with breast cancer...
Geographic variations in breast cancer survival among older women: implications for quality of breast cancer careJames S Goodwin
Sealy Center on Aging, Department of Internal Medicine, The University of Texas Medical Branch, Galveston 77555 0460, USA
J Gerontol A Biol Sci Med Sci 57:M401-6. 2002..Breast cancer care, such as utilization of screening procedures and types of treatment received, varies substantially by geographic region of the United States. However, little is known about variations in survival with breast cancer...
Evaluating health care performance: strengths and limitations of multilevel analysisAlai Tan
Office of Epidemiology and Biostatistics, Department of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston, TX 77555 1148, USA
Biom J 49:707-18. 2007..We also discuss the strengths and limitations of multilevel analysis in profiling health care providers with small caseloads...
Survival of women after breast conserving surgery for early stage breast cancer- Du Xianglin
Department of Internal Medicine, Department of Preventive Medicine and Community Health, Sealy Center on Aging, University of Texas Medical Branch, Galveston 77555 0460, USA
Breast Cancer Res Treat 72:23-31. 2002..Increasing numbers of older women with breast cancer are receiving breast-conserving surgery (BCS). However, substantial numbers of them are not receiving either axillary dissection or adjuvant irradiation...
Risk of the "androgen deprivation syndrome" in men receiving androgen deprivation for prostate cancerVahakn B Shahinian
Department of Internal Medicine, and Sealy Center on Aging, University of Texas Medical Branch, Galveston, TX 77555 0562, USA
Arch Intern Med 166:465-71. 2006..We therefore sought to estimate the incidence of these effects and, by using a control group, ascertain whether these effects were related to androgen deprivation itself...
A non-parametric method for the comparison of partial areas under ROC curves and its application to large health care data setsDong D Zhang
Office of Biostatistics, University of Texas Medical Branch at Galveston, Galveston, TX 77555 1148, USA
Stat Med 21:701-15. 2002..The method is used to evaluate alternative logistic regression models that predict whether a subject has incident breast cancer based on information in Medicare claims data...
Mammography use among older women of seven Latin American and Caribbean citiesCarlos A Reyes-Ortiz
Division of Geriatric Medicine, Sealy Center on Aging, University of Texas Medical Branch, 301 University Boulevard, Galveston, TX 77555 0460, USA
Prev Med 42:375-80. 2006..To describe the prevalence of mammography use, and to estimate its association with sociodemographics...
Increasing use of gonadotropin-releasing hormone agonists for the treatment of localized prostate carcinomaVahakn B Shahinian
Department of Internal Medicine, University of Texas Medical Branch, Galveston, Texas 77555 0562, USA
Cancer 103:1615-24. 2005..The authors examined the time trends and patterns of use for androgen deprivation in the form of gonadotropin-releasing hormone (GnRH) agonists or orchiectomy, in population-based tumor registries...
Lower stroke mortality among Hispanics: an exploration of potential methodological confoundersBret Howrey
University of Texas Medical Branch, 301 University Blvd, Galveston, TX 77555 0460, USA
Med Care 48:534-9. 2010..Hispanic deaths were adjusted for misclassification of ethnicity on the death certificate. Denominators for the rates were derived from census estimates...
Late GI and bladder toxicities after radiation for uterine cancerRafael Samper-Ternent
Sealy Center on Aging, University of Texas Medical Branch, USA
Gynecol Oncol 120:198-204. 2011..To determine the impact of radiation treatment for corpus uteri cancer on the development of late gastrointestinal (GI) and bladder toxicities in older women...
The role of the surgeon in whether patients with lymph node-positive colon cancer see a medical oncologistRuiLi Luo
Department of Internal Medicine, University of Texas Medical Branch, Galveston, Texas 77555, USA
Cancer 109:975-82. 2007..Chemotherapy improves survival for patients with stage III colon cancer, but some older patients with lymph node-positive colon cancer do not see a medical oncologist and, thus, do not receive adjuvant chemotherapy...
Hospice use by older women dying with breast cancer between 1991 and 1996Nuha A Lackan
Department of Preventive Medicine and Community Health, Sealy Center on Aging, University of Texas Medical Branch at Galveston, Galveston, Texas, USA
J Palliat Care 19:49-53. 2003..There were no differences in use by ethnicity. Rates of use varied significantly by geographic area. Future research should further examine why rates of hospice use differ by geographic area and certain patient characteristics...
Relationship of depression to patient satisfaction: findings from the barriers to breast cancer studyQuynh-Uyen T Bui
Sealy Center on Aging, Division of Geriatrics, Department of Medicine, University of Texas Medical Branch at Galveston, TX, USA
Breast Cancer Res Treat 89:23-8. 2005..CONCLUSION: Increasing depressive symptoms are associated with lower patient satisfaction. Early recognition and treatment of depressive symptoms may improve patients' well being and perception about quality of medical care...
Trends in end-of-life ICU use among older adults with advanced lung cancerGulshan Sharma
Department of Internal Medicine, Division of Allergy, Pulmonary, Immunology, Critical Care and Sleep, University of Texas Medical Branch, Galveston, TX TX 77555 0561
Chest 133:72-8. 2008..As a result of hospice expansion in the 1990s, we hypothesized that ICU use decreased over time in older adults with advanced lung cancer...
Referral to medical oncology: a crucial step in the treatment of older patients with stage III colon cancerRuiLi Luo
Sealy Center on Aging, Department of Preventive Medicine and Community Health, University of Texas Medical Branch at Galveston, Galveston, Texas, USA
Oncologist 11:1025-33. 2006..Ensuring that high-risk patients are referred to medical oncology is a crucial step in quality care for patients with colon cancer...
Comorbid disease and cancer: the need for more relevant conceptual models in health services researchJane M Geraci
Department of General Internal Medicine, Ambulatory Treatment and Emergency Care, Division of Internal Medicine, The University of Texas, M.D. Anderson Cancer Center, Galveston, TX, USA
J Clin Oncol 23:7399-404. 2005
Survival advantage in Medicare patients receiving drug-eluting stents compared with bare metal stents: real or artefactual?Fen Wei Wang
Division of Cardiology, Department of Internal Medicine, University of Texas Medical Branch, Galveston, Texas, USA
Catheter Cardiovasc Interv 71:636-43. 2008..We evaluated mortality in the first year after implantation of DES, specifically the sirolimus-eluting stent (SES), Cypher vs. BMS in "real world" older patients using the Medicare claims database...
672 patients with acinar cell carcinoma of the pancreas: a population-based comparison to pancreatic adenocarcinomaNicholas C Wisnoski
Department of Surgery, University of Texas Medical Branch, Galveston, TX 77555 0542, USA
Surgery 144:141-8. 2008..Because no large series of patients with ACC exist, our understanding of this disease comes mainly from small retrospective reports and anecdotal experience...
Atrial fibrillation and stroke associated with intravenous bisphosphonate therapy in older patients with cancerGregg S Wilkinson
University of Texas Medical Branch, Galveston, TX 77555 0460, USA
J Clin Oncol 28:4898-905. 2010..We examined the association of intravenous bisphosphonates with atrial fibrillation, all classifications of supraventricular tachycardia (SVT), and stroke among older patients with cancer...
Risk of cardiac death after adjuvant radiotherapy for breast cancerSharon H Giordano
Department of Breast Medical Oncology, The University of Texas M D Anderson Cancer Center, 1515 Holcombe, Box 424, Houston, TX 77030, USA
J Natl Cancer Inst 97:419-24. 2005..Because radiation techniques have improved over time, we investigated whether the risk of death from ischemic heart disease after adjuvant breast radiotherapy decreased over time...
Mammography use among older Mexican-American women: correcting for over-reports of breast cancer screeningJonathan D Mahnken
Department of Preventive Medicine and Public Health, Center for Biostatistics and Advanced Informatics, University of Kansas Medical Center, MSN 1008, 3901 Rainbow Blvd, Kansas City, KS 66160, USA
Women Health 45:53-64. 2007..To determine the accuracy of self-reported mammography use and generate a correction factor that adjusts for reporting errors among Mexican-American women...
Cardiac morbidity of adjuvant radiotherapy for breast cancerDebra A Patt
Department of Medical Oncology, Houston, TX 77030, USA
J Clin Oncol 23:7475-82. 2005..05 (95% CI, 0.95 to 1.17) for heart failure. CONCLUSION: With up to 15 years of follow-up there were no significant differences in cardiac morbidity after radiation for left- versus right-sided breast cancer...
Utility of the SEER-Medicare data to identify chemotherapy useJoan L Warren
Applied Research Program, National Cancer Institute, Bethesda, Maryland 20892 7344
Med Care 40:IV-55-61. 2002..However, the validity and completeness of these data as a source of information has not been established...
Using Medicare data to estimate the prevalence of breast cancer screening in older women: comparison of different methods to identify screening mammogramsWhitney M Randolph
National Cancer Institute, Bethesda, MD, USA
Health Serv Res 37:1643-57. 2002....
An algorithm for the use of Medicare claims data to identify women with incident breast cancerAnn B Nattinger
Division of General Internal Medicine, Medical College of Wisconsin, Milwaukee, WI 53226, USA
Health Serv Res 39:1733-49. 2004..The ability to examine national patterns of breast cancer care using Medicare claims data would open new avenues for the assessment of quality of care...
Bringing the patient back in. Guidelines, practice variations, and the social context of medical practiceAnn Lennarson Greer
University of Wisconsin-Milwaukee, USA
Int J Technol Assess Health Care 18:747-61. 2002..We urge a more complex and more empirical approach in explaining treatment choice and guidelines sensitive to the potential for value differences...
How do nurse case managers care for older women with breast cancer?Andrea Jennings-Sanders
School of Nursing, Cleveland State University, Cleveland, Ohio, USA
Oncol Nurs Forum 32:625-32. 2005..To describe how nurse case managers care for older women with breast cancer...
Research Grants
- Health Services Research in Under-Served PopulationsJean Freeman; Fiscal Year: 2006..a. Facilitate access to pilot funding from UTMB research centers. b. Develop and implement a Health Services Research selective to introduce School of Medicine students to this area of research. ..
- EVALUATING MAMMOGRAPHY CLAIMS DATAJean Freeman; Fiscal Year: 2006..S. radiologists. ..
- EVALUATING MAMMOGRAPHY CLAIMS DATAJean Freeman; Fiscal Year: 2001..Analyses will compare the size of tumor, stage and survival for women with different screening practices. ..
- Late Effects of Radiation in Older Gynecologic Cancer SurvivorsJean L Freeman; Fiscal Year: 2010..The information is important for the design of post treatment cancer surveillance programs. Estimates of late toxicities are also helpful for newly diagnosed patients, as they make decisions about their treatment options. ..
