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Rehabilitation of the cavernous smooth muscle in patients with organic erectile dysfunction.

Salem H, Mostafa T

 Urology Departments, Faculty of Medicine, Cairo University, Cairo, Egypt  Andrology & Sexology Department, Faculty of Medicine, Cairo University, Cairo, Egypt.

This study aimed at assessing the effect of regular use of intracorporeal injection (ICI), sildenafil citrate and vacuum constriction device (VCD) on cavernous smooth muscle and erectile activity. One hundred and sixty-five patients with organic erectile dysfunction were investigated for 3 months. The patient and his partner were classified prospectively after proper counselling: group I (n = 56) received ICI twice per week; group II (n = 55) received sildenafil 100 mg twice per week; and group III (n = 54) used VCD twice per week. Duplex ultrasound was carried out before and after treatment, and then, the patients were followed up for a month to assess the resumption of unaided erection. The results showed that there was significant improvement in mean peak systolic velocity (PSV) and mean cavernosal artery diameter (CAD) at the end of the treatment in all groups, being higher in the ICI group than in the other two groups. Also, the percentage of patients who resumed unaided intercourse were higher in the ICI group compared with the other two groups (17.9%, 9.1% and 3.7% respectively). It is concluded that repeated regular use of ICI, sildenafil or VCD by patients with organic erectile dysfunction has a positive impact on their cavernous blood flow and erectile activity.

Published 19 May 2011 in Andrologia.
Full-text of this article is available online (may require subscription).


Articles on Viagra published 19 May 2011:

Prevention of bronchial hyperreactivity in a rat model of precapillary pulmonary hypertension.   Respir Res, 12: 58.

[Abstract] [Full-text]


Articles on Viagra published 17 May 2011:

The Effect of Sildenafil on Cisplatin Nephrotoxicity in Rats.   Basic Clin Pharmacol Toxicol.

  Sildenafil, the first drug for erectile dysfunction, has cardiopulmonary protective actions. A recent study has reported that sildenafil given intraperitoneally (i.p.) attenuated cisplatin (CP)-induced nephrotoxicity. Here, we evaluated whether sildenafil, given by two different routes and at two different doses, can also attenuate CP-induced nephrotoxicity, and would affect renal haemodynamics in CP-treated rats. Six groups of rats were treated with saline (controls), CP (5 mg/kg, ... [Abstract] [Full-text]

Antenatal sildenafil treatment attenuates pulmonary hypertension in experimental congenital diaphragmatic hernia.   Circulation, 123(19): 2120-31.

Background- Lung hypoplasia and persistent pulmonary hypertension of the newborn limit survival in congenital diaphragmatic hernia (CDH). Unlike other diseases resulting in persistent pulmonary hypertension of the newborn, infants with CDH are refractory to inhaled nitric oxide (NO). Nitric oxide mediates pulmonary vasodilatation at birth in part via cyclic GMP production. Phosphodiesterase type 5 (PDE5) limits the effects of NO by inactivation of cyclic GMP. Because of the limited success in ... [Abstract] [Full-text]


Articles on Viagra published 16 May 2011:

Late clinical manifestations of mitral valve disease and severe pulmonary hypertension in a patient diagnosed with premature closure of foramen ovale during fetal life.   World J Pediatr, 7(2): 182-4.

[Abstract] [Full-text]

Pre-operative sildenafil and pulmonary endothelial-related complications following cardiopulmonary bypass: a randomised trial in children undergoing cardiac surgery*.   Anaesthesia, 66(6): 472-80.

In a randomised trial, we compared the effects of oral sildenafil (0.5 mg.kg(-1) ) and placebo, administered the day before cardiac surgery, in 24 children. In sildenafil vs placebo patients, pre-cardiopulmonary bypass median (IQR [range]) cyclic-guanosine-monophosphate was not significantly different (29.9 (2.1-208.1 [0.5-391.5]) vs 5.2 (0.3-54.6 [0-628.9]) pmol.ml(-1) , respectively). Post-cardiopulmonary bypass, nitrate/nitrite levels were also not significantly different (0.7 (0-8.0 ... [Abstract] [Full-text]


Articles on Viagra published 12 May 2011:

Male sexual dysfunction after rectal cancer surgery.   Int J Colorectal Dis.

PURPOSE: The aims of the study were to determine the extent of male sexual dysfunction after surgical treatment of rectal cancer and to examine the outcome of postoperative treatment with sildenafil. METHODS: A prospective study was performed in patients who underwent attempted curative total mesorectal excision (TME) for low rectal cancers. Sexual function scores were determined by questionnaire preoperatively and at 3 and 12 months postoperatively. Outcomes were examined in patients who were ... [Abstract] [Full-text]


Articles on Viagra published 10 May 2011:

Synthesis of core-shell magnetic molecularly imprinted polymers and detection of sildenafil and vardenafil in herbal dietary supplements.   J Hazard Mater.

An analytical procedure for selective extraction of sildenafil and vardenafil in herbal dietary supplements (HDSs) has been set up by using the magnetic molecularly imprinted polymers (MMIPs) as the extraction and clean-up materials, followed by high performance liquid chromatography-ultraviolet (HPLC-UV). The MMIPs were prepared by a surface molecular imprinting technique, using Fe(3)O(4) magnetite as a magnetically susceptible component, sildenafil as template molecule, 2-(trifluoromethyl) ... [Abstract] [Full-text]

Priapism in Sickle-Cell Disease: A Hematologist's Perspective.   J Sex Med.

Introduction.  Priapism is a familiar problem to hematologists, well known for its association with sickle-cell disease (SCD). It also occurs in a variety of other hematological illnesses, nearly all forms of congenital hemolytic anemia, including other hemoglobinopathies and red blood cell membranopathies and enzymopathies. Aim.  Provide urologists with a comprehensive review of priapism in SCD, with an emphasis on the perspective of a practicing hematologist. Methods.  Medline searches ... [Abstract] [Full-text]


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