Category: Federal Forum Posters
Purpose: The bariatric surgeries laparoscopic sleeve gastrectomy (LSG) and Roux-en-Y gastric bypass (RYGB) are performed at a Veterans Affairs (VA) hospital. Clinical pharmacy specialists (CPS) manage antihypertensive medications for these patients, but limited guidance is available. The primary objective of this study is to describe the role of local VA hospital CPS in antihypertensive medication management surrounding bariatric surgery through evaluation of type and number of interventions, antihypertensive medications before and after surgery, and average frequency of follow-up. Secondary objectives include describing mean blood pressure (BP) readings, adverse events, and percentage of patients achieving BP less than 140/90 without antihypertensive medications.
Methods: The local Research and Development Committee granted a waiver for this study. A retrospective chart review will be conducted for patients who received LSG or RYGB between January 1, 2014 and February 27, 2018, and an active prescription for at least one antihypertensive medication for any indication at the time of pre-operative assessment with the bariatric surgery team. Collected data will be compared among five time periods: pre-operative appointment with general surgery to admission, inpatient discharge, discharge to 1-month post-surgery, 1 to 3 months post-surgery, and 3 to 6 months post-surgery; and between day of pre-operative appointment to final CPS encounter. Data collected will include: age, sex, race, hypertension status, height, surgery type, indication for antihypertensive medication, weight, body mass index, name and dose of antihypertensive, BP, number and types of interventions, name and dose of drug change, number of encounters with CPS, adverse events, and type of encounter. All data will be recorded without patient identifiers and maintained confidentially. Descriptive statistics and paired t-tests will be used to compare data between two time points. Repeated measures analysis of variance will be used to analyze data among the five time periods. Nonparametric tests will be used to analyze count variables.
Results: not applicable
Conclusion: not applicable
Rachel Pinkney– Pharmacy Resident, VA Ann Arbor Healthcare System, Ann Arbor, MI