We treated 166 patients suffering from recurrent urinary tract infections under double-blind conditions for 3 months with 1 capsule daily of either the immunostimulating bacterial extract (85) or a placebo (81), followed by a 3-month observation period without the test drugs. The bacterial extract exerted a significant beneficial curative action and long-term consolidative effect on the frequency of recurrent urinary tract infections with marked improvements in the characteristic signs and symptoms. It was significantly superior to placebo for the majority of the assessed parameters: number of recurrent urinary tract infections, bacteriuria, leukocyturia, erythrocyturia, nitrituria, albuminuria and casts in urine. Consumption of antibiotics, chemotherapeutics, urinary antiseptics or disinfectants was significantly less under active drug therapy compared to placebo. Tolerance was good with only 2 side effects reported in 2 patients (2%) in the active group compared to 11 among 5 (6%) in the placebo group. Therefore, the bacterial extract can be considered an efficient and well tolerated drug for the treatment of urinary tract infections, and their accompanying signs and symptoms, as well as for decreasing the risk of recurrences and the need for antibiotics and other antibacterial drugs.

A series of 12 patients with vasculogenic impotence (4 arterial lesions; 8 arterial and venous lesions) underwent deep dorsal vein arterialisation after pre-operative assessment by a multidisciplinary approach. Cumulative graft patency was 58% (7 of 12 patients) up to 21 months but only 4 patients developed almost normal erections. Digital angiography, with and without the intracavernous injection of papaverine, was performed during follow-up to determine the vascular physiological status. At flaccidity, the corpora cavernosa were never opacified in the absence of a venocorporeal shunt. The penile glans was always visualised. Opacification of the deep dorsal vein and the circumflex system decreased with penile rigidity, resulting from their compression between Buck's fascia and the tunica albuginea. Intracavernous pressure recorded before and after the surgical procedure showed a marked increase when a caverno-venous shunt was performed. Hypervascularisation of the glans occurred in 2 cases. The relevance of this new surgical technique and its functional mechanism are discussed.

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