OBJECTIVE: To determine the feasibility and efficacy of transarterial embolization (TAE) in haemorrhagic urological emergencies, and to assess the perioperative morbidity, effect of timing of intervention on the requirement for blood transfusion, and the long-term follow-up. PATIENTS AND METHODS: Between October 1997 and March 2009, 44 patients (30 men and 14 women; mean age 79 years, range 51-95) with intractable haematuria secondary to advanced pelvic tumour arising from or invading the bladder, underwent internal iliac TAE. Twenty-four patients had transitional carcinoma of the urinary bladder, 12 adenocarcinoma of the prostate, five carcinoma of the uterus, one cancer of the vagina, two carcinoma of the rectum, three carcinoma of the kidney, two simultaneous carcinoma of prostate and bladder, one simultaneous carcinoma of prostate and kidney and one had haemorrhagic cystitis after radiotherapy. RESULTS: TAE of the internal iliac arteries produced initial complete control of bleeding in 36 of the 44 patients (82%). At a mean (range) follow-up of 10.5 (1-97) months TAE there was permanent control of bleeding in 19 (43%) patients. A second TAE session was use in five (11%) patients and it was successful in two of them. There were 24 patients (55%) who required a mean of 4 (1-17) transfusion units before embolization; only 13 (30%) required more blood products after TAE. The mean haematocrit level before and after TAE was 27% and 31% (P < 0001), and the respective haemoglobin level were 8.7 and 10.3 g/dL (P < 0001). During the follow-up there were no major complications related to TAE; minor complications were post-TAE syndrome in 12 (27%) patients, fever (11%), gluteus pain (14%), nausea (2%), and exterior genital oedema (5%). The 6- and 12-month mortality rates were 66% (29 patients) and 18% (eight), respectively. CONCLUSIONS: TAE should be considered as an alternative less-invasive palliative measure and the treatment of choice in these situations. TAE should always be bilateral, the catheter should advance distally to the origin of the superior gluteal artery and the artery embolized with unresorbable particles. Our study confirms the efficacy and safety of TAE in patients with pelvic malignancy, and indicates that this technique should be considered before surgery. The procedure combines the benefits of a minimally invasive approach in decreasing the cost of surgery and operating time, while maintaining low blood loss and analgesia requirement.
OBJECTIVE: To determine the feasibility and efficacy of transarterial embolization (TAE) in haemorrhagic urological emergencies, and to assess the perioperative morbidity, effect of timing of intervention on the requirement for blood transfusion, and the long-term follow-up. PATIENTS AND METHODS: Between October 1997 and March 2009, 44 patients (30 men and 14 women; mean age 79 years, range 51-95) with intractable haematuria secondary to advanced pelvic tumour arising from or invading the bladder, underwent internal iliac TAE. Twenty-four patients had transitional carcinoma of the urinary bladder, 12 adenocarcinoma of the prostate, five carcinoma of the uterus, one cancer of the vagina, two carcinoma of the rectum, three carcinoma of the kidney, two simultaneous carcinoma of prostate and bladder, one simultaneous carcinoma of prostate and kidney and one had haemorrhagic cystitis after radiotherapy. RESULTS:TAE of the internal iliac arteries produced initial complete control of bleeding in 36 of the 44 patients (82%). At a mean (range) follow-up of 10.5 (1-97) months TAE there was permanent control of bleeding in 19 (43%) patients. A second TAE session was use in five (11%) patients and it was successful in two of them. There were 24 patients (55%) who required a mean of 4 (1-17) transfusion units before embolization; only 13 (30%) required more blood products after TAE. The mean haematocrit level before and after TAE was 27% and 31% (P < 0001), and the respective haemoglobin level were 8.7 and 10.3 g/dL (P < 0001). During the follow-up there were no major complications related to TAE; minor complications were post-TAE syndrome in 12 (27%) patients, fever (11%), gluteus pain (14%), nausea (2%), and exterior genital oedema (5%). The 6- and 12-month mortality rates were 66% (29 patients) and 18% (eight), respectively. CONCLUSIONS:TAE should be considered as an alternative less-invasive palliative measure and the treatment of choice in these situations. TAE should always be bilateral, the catheter should advance distally to the origin of the superior gluteal artery and the artery embolized with unresorbable particles. Our study confirms the efficacy and safety of TAE in patients with pelvic malignancy, and indicates that this technique should be considered before surgery. The procedure combines the benefits of a minimally invasive approach in decreasing the cost of surgery and operating time, while maintaining low blood loss and analgesia requirement.
Authors: Emma Choon Hwee Lee; Prasanna Sivanath Tirukonda; Andrew Gee Seng Tan; Haiyuan Shi Journal: Singapore Med J Date: 2020-06 Impact factor: 1.858