Urology · 2007
Role of laparoscopic nephrectomy for management of symptomatic nephrogenic hypertension.
Клиническое исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Basiri Abbas, Simforoosh Naser, Abdi Hamidreza, Shahrokhi Seyed Saeed, Hosseini-Moghaddam Seyed Mohammadmehdi
Аннотация
OBJECTIVES: To investigate the efficacy of laparoscopic nephrectomy for the management of hypertension associated with a unilateral poorly functioning kidney in adults and the role of some variables in the prediction of its outcome in the management of nephrogenic hypertension.
METHODS: We conducted this study on 22 hypertensive patients with a unilateral, minimally functioning kidney. We included patients with a well-functioned contralateral kidney, no renal tumors, no renovascular hypertension, and no diagnosis of end-stage renal disease. All patients had poorly controlled hypertension or preferred to discontinue medical therapy. Their age at the onset of hypertension, gender, age at laparoscopic nephrectomy, and the interval from diagnosis to intervention were evaluated. A complete response was defined as blood pressure normalization without medical treatment. A partial response was defined as a decrease in the medication requirements and/or a 10-mm Hg decrease in diastolic blood pressure after surgery. Measurement of plasma renin activity was not available in our country at the time of the study.
RESULTS: After nephrectomy, 12 (54.5%), 2 (9.1%), and 8 (36.4%) patients had a complete, partial, or no response to the surgery, respectively. No significant association was found between the response to laparoscopic nephrectomy and age, gender, and mean blood pressure. Only the hypertension-related signs and symptoms before surgery were significantly associated with the response to laparoscopic nephrectomy (P = 0.01) on both univariate and multivariate analysis.
CONCLUSIONS: Nephrectomy seems effective for the management of nephrogenic hypertension in patients who wish to discontinue medical therapy. We suggest paying attention to the preoperative hypertension-related symptoms for the prediction of the response to nephrectomy.
METHODS: We conducted this study on 22 hypertensive patients with a unilateral, minimally functioning kidney. We included patients with a well-functioned contralateral kidney, no renal tumors, no renovascular hypertension, and no diagnosis of end-stage renal disease. All patients had poorly controlled hypertension or preferred to discontinue medical therapy. Their age at the onset of hypertension, gender, age at laparoscopic nephrectomy, and the interval from diagnosis to intervention were evaluated. A complete response was defined as blood pressure normalization without medical treatment. A partial response was defined as a decrease in the medication requirements and/or a 10-mm Hg decrease in diastolic blood pressure after surgery. Measurement of plasma renin activity was not available in our country at the time of the study.
RESULTS: After nephrectomy, 12 (54.5%), 2 (9.1%), and 8 (36.4%) patients had a complete, partial, or no response to the surgery, respectively. No significant association was found between the response to laparoscopic nephrectomy and age, gender, and mean blood pressure. Only the hypertension-related signs and symptoms before surgery were significantly associated with the response to laparoscopic nephrectomy (P = 0.01) on both univariate and multivariate analysis.
CONCLUSIONS: Nephrectomy seems effective for the management of nephrogenic hypertension in patients who wish to discontinue medical therapy. We suggest paying attention to the preoperative hypertension-related symptoms for the prediction of the response to nephrectomy.