Professional Education


  • Doctor of Medicine, Northwestern University (2009)
  • Bachelor of Arts, Stanford University, HUMBI-BAH (2005)

Stanford Advisors


All Publications


  • Cytomegalovirus load at treatment initiation is predictive of time to resolution of viremia and duration of therapy in hematopoietic cell transplant recipients. Journal of clinical virology Tan, S. K., Waggoner, J. J., Pinsky, B. A. 2015; 69: 179-183

    Abstract

    Preemptive antiviral therapy relies on viral load measurements and is the mainstay of cytomegalovirus (CMV) prevention in hematopoietic cell transplant (HCT) recipients. However, optimal CMV levels for the initiation of preemptive therapy have not been defined.The objectives of our work were to evaluate the relationship between plasma CMV DNA levels at initiation of preemptive therapy with time to resolution of viremia and duration of treatment.Retrospective analysis of HCT recipients undergoing serial CMV PCR testing between June 2011 and June 2014 was performed.221 HCT recipients underwent preemptive therapy for 305 episodes of CMV viremia. Median time to resolution was shorter when treatment was initiated at lower CMV levels (15 days at 135-440 international units (IU)/mL, 18 days at 441-1000IU/mL, and 21 days at >1000IU/mL, P<.001). Prolonged viremia lasting >30 days occurred less frequently when treatment was initiated at 135-440IU/mL compared to 441-1000IU/mL and >1000IU/mL (1%, 15%, 24%, P<.001). Median treatment duration was also shorter in the lower viral load groups (28, 34, 37 days, P<.001).Initiation of preemptive therapy at low CMV levels was associated with shorter episodes of viremia and courses of antiviral therapy. These data support the utility of initiating preemptive CMV therapy at viral loads as low as 135IU/mL in HCT recipients.

    View details for DOI 10.1016/j.jcv.2015.06.006

    View details for PubMedID 26209403

  • Fatal acanthamoeba encephalitis in a patient with a total artificial heart (syncardia) device. Open forum infectious diseases Tan, S. K., Gajurel, K., Tung, C., Albers, G., Deresinski, S., Montoya, J. G., Sheikh, A. Y., Banerjee, D., Ha, R. 2014; 1 (2): ofu057-?

    Abstract

    Acanthamoeba encephalitis is an uncommon but often fatal infection complication. Here we report the first case of Acanthamoeba encephalitis in a patient with a Total Artificial Heart device.

    View details for DOI 10.1093/ofid/ofu057

    View details for PubMedID 25734127

  • Hematocrit Effect in Bilateral Subdural Hematomas JOURNAL OF GENERAL INTERNAL MEDICINE Tan, S., Aronowitz, P. 2013; 28 (2): 321-321

    View details for DOI 10.1007/s11606-012-2179-1

    View details for Web of Science ID 000314067900027

    View details for PubMedID 22878852

  • A Common Fungus, an Unusual (and Deadly) Infection AMERICAN JOURNAL OF MEDICINE Tan, S., Aronowitz, P. 2011; 124 (11): 1023-1024

    View details for DOI 10.1016/j.amjmed.2011.08.005

    View details for Web of Science ID 000296576200017

    View details for PubMedID 22017779

  • Greater osteoporosis educational outreach is desirable among Chinese immigrants in Chinatown, Chicago OSTEOPOROSIS INTERNATIONAL Tan, S., Ji, L., Tsai, J., Eng, J., Ko, H., Yau, A., Edwards, G., Bunta, A., Edwards, B. J. 2009; 20 (9): 1517-1522

    Abstract

    Osteoporosis beliefs were assessed in immigrant Chinese women in Chinatown, Chicago. Results from a survey utilizing the Osteoporosis Health Belief Scale showed that women expressed concern about osteoporosis but lacked both knowledge of preventive care and health motivation.The objective of this study was to assess osteoporosis beliefs in immigrant Chinese women in Chinatown, Chicago.In a community-based health fair, osteoporosis knowledge and self-efficacy among postmenopausal Chinese immigrants were assessed using the translated Osteoporosis Health Belief Scale. Bone mineral density (BMD) was assessed with calcaneal ultrasound.The study population included 94 women with mean age of 51 +/- 9 years, mean length of residence in the United States of 9 +/- 7 years, and 73% (n = 76) of whom were recent immigrants. Women expressed concern about the seriousness of osteoporosis and their relative susceptibility to osteoporosis. In particular, women with a prior fracture reported higher seriousness to osteoporosis. Nonetheless, women exhibited low health motivation and low awareness of the benefits of calcium and exercise. Bone densitometry results corresponded to a T score of -1.2 +/- 1.5. Multiple regression analysis revealed that a younger age and longer length of residence in the USA were associated with higher BMD.Chinese immigrant women in Chicago exhibit concern regarding osteoporosis, but are unaware of the benefits of calcium and exercise, and exhibit low health motivation. Chinese women in Chinatown lack necessary knowledge about osteoporosis to develop adequate self-efficacy. Public health initiatives should be undertaken among recent immigrant Chinese women.

    View details for DOI 10.1007/s00198-008-0828-3

    View details for Web of Science ID 000269080100007

    View details for PubMedID 19148565

  • Acute Myocardial Infarction After Treatment of Thrombocytopenia in a Young Woman With Systemic Lupus Erythematosus JCR-JOURNAL OF CLINICAL RHEUMATOLOGY Tan, S., Tambar, S., Chohan, S., Ramsey-Goldman, R., Lee, C. 2008; 14 (6): 350-352

    Abstract

    We describe a case of an acute myocardial infarction (MI) coincident with correction of severe thrombocytopenia in a 23-year old African American woman with systemic lupus erythematosus (SLE) in the absence of coronary artery disease on angiography. Despite a history of anticardiolipin and beta(2)-glycoprotein I antibodies, she had no prior thromboembolic events. The occurrence of an acute MI after rapid normalization in the platelet count suggests the need for close monitoring of possible cardiovascular events during and after treatment of severe thrombocytopenia in the presence of antiphospholipid antibodies.

    View details for DOI 10.1097/RHU.0b013e31817de0fb

    View details for Web of Science ID 000261654400008

    View details for PubMedID 19086148

  • Disparities in mammographic screening for Asian women in California: a cross-sectional analysis to identify meaningful groups for targeted intervention BMC CANCER Gomez, S. L., Tan, S., Keegan, T. H., Clarke, C. A. 2007; 7

    Abstract

    Breast cancer is the most commonly diagnosed cancer among the rapidly growing population of Asian Americans; it is also the most common cause of cancer mortality among Filipinas. Asian women continue to have lower rates of mammographic screening than women of most other racial/ethnic groups. While prior studies have described the effects of sociodemographic and other characteristics of women on non-adherence to screening guidelines, they have not identified the distinct segments of the population who remain at highest risk of not being screened.To better describe characteristics of Asian women associated with not having a mammogram in the last two years, we applied recursive partitioning to population-based data (N = 1521) from the 2001 California Health Interview Survey (CHIS), for seven racial/ethnic groups of interest: Chinese, Japanese, Filipino, Korean, South Asian, Vietnamese, and all Asians combined.We identified two major subgroups of Asian women who reported not having a mammogram in the past two years and therefore, did not follow mammography screening recommendations: 1) women who have never had a pap exam to screen for cervical cancer (68% had no mammogram), and 2) women who have had a pap exam, but have no women's health issues (osteoporosis, using menopausal hormone therapies, and/or hysterectomy) nor a usual source of care (62% had no mammogram). Only 19% of Asian women who have had pap screening and have women's health issues did not have a mammogram in the past two years. In virtually all ethnic subgroups, having had pap or colorectal screening were the strongest delineators of mammography usage. Other characteristics of women least likely to have had a mammogram included: Chinese non-U.S. citizens or citizens without usual source of health care, Filipinas with no health insurance, Koreans without women's health issues and public or no health insurance, South Asians less than age 50 who were unemployed or non-citizens, and Vietnamese women who were never married.We identified distinct subgroups of Asian women at highest risk of not adhering to mammography screening guidelines; these data can inform outreach efforts aimed at reducing the disparity in mammography screening among Asian women.

    View details for DOI 10.1186/1471-2407-7-201

    View details for Web of Science ID 000252447400001

    View details for PubMedID 17961259