Viagra Research Today is a free monthly online journal that collates and summarizes the latest research about Viagra, including details on sildenafil, erectile dysfunction, impotence, side-effects, alternatives.

Volume 4 (2007), Issue 4 (April)

1. Studies on sildenafil citrate (Viagra) interaction with DNA using electrochemical DNA biosensor.
   Biosens Bioelectron, 22(11): 2471-7. [Abstract] [Full-text]
2. A case of sensorineural deafness following ingestion of sildenafil.
   J Laryngol Otol, 121(4): 395-7. [Abstract] [Full-text]
3. Long-term follow-up after conversion from intravenous epoprostenol to oral therapy with bosentan or sildenafil in 13 patients with pulmonary arterial hypertension.
   J Heart Lung Transplant, 26(4): 363-9. [Abstract] [Full-text]
4. Sildenafil inhibits the up-regulation of phosphodiesterase type 5 elicited with nicotine and tumour necrosis factor-alpha in cavernosal vascular smooth muscle cells: mediation by superoxide.
   BJU Int, 99(3): 612-8. [Abstract] [Full-text]
5. Cyclic guanosine monophosphate phosphodiesterase-5 inhibitor promotes an endothelium NO-dependent-like vasodilation in patients with refractory hypertension.
   Nitric Oxide, 16(3): 315-21. [Abstract] [Full-text]
6. Effects of escalating doses of sildenafil on hemodynamics and gas exchange in children with pulmonary hypertension and congenital cardiac defects.
   J Cardiothorac Vasc Anesth, 21(2): 203-7. [Abstract] [Full-text]
7. Oral phosphodiesterase-5 inhibitors: effect of heme oxygenase inhibition on cGMP signalling in rat cavernous tissue.
   Andrologia, 39(2): 66-70. [Abstract] [Full-text]
8. Acute haemodynamic responses to inhaled nitric oxide and intravenous sildenafil in distal chronic thromboembolic pulmonary hypertension (CTEPH).
   Vascul Pharmacol, 46(6): 449-55. [Abstract] [Full-text]
9. Liquid chromatography tandem mass spectrometry assay to determine the pharmacokinetics of aildenafil in human plasma.
   J Pharm Biomed Anal, 44(1): 231-5. [Abstract] [Full-text]
10. Erectile dysfunction.
    J Urol, 177(5): 1675-81. [Abstract] [Full-text]
11. Phosphodiesterase 5A inhibition induces Na+/H+ exchanger blockade and protection against myocardial infarction.
    Hypertension, 49(5): 1095-103. [Abstract] [Full-text]
12. Sildenafil therapy for pulmonary arterial hypertension associated with atrial septal defects.
    Int J Cardiol, 118(2): 178-82. [Abstract] [Full-text]
13. Management of pulmonary arterial hypertension with a focus on combination therapies.
    J Heart Lung Transplant, 26(5): 437-46. [Abstract] [Full-text]
14. Sildenafil citrate attenuates a complex maze impairment induced by intracerebroventricular infusion of the NOS inhibitor Nomega-nitro-L-arginine methyl ester.
    Eur J Pharmacol, 563(1): 134-40. [Abstract] [Full-text]
15. Compartmentalization of cardiac beta-adrenergic inotropy modulation by phosphodiesterase type 5.
    Circulation, 115(16): 2159-67. [Abstract] [Full-text]
16. Differences between HIV-positive gay men who 'frequently', 'sometimes' or 'never' engage in unprotected anal intercourse with serononconcordant casual partners: positive Health cohort, Australia.
    AIDS Care, 19(4): 514-22. [Abstract] [Full-text]
17. Long-term continuous treatment with sildenafil ameliorates aging-related erectile dysfunction and the underlying corporal fibrosis in the rat.
    Biol Reprod, 76(5): 915-23. [Abstract] [Full-text]
18. A systematic review of experimental and clinical studies of sildenafil citrate for intrauterine growth restriction and pre-term labour.
    J Obstet Gynaecol, 27(3): 255-9. [Abstract] [Full-text]
19. Oral sildenafil ameliorates impaired pulmonary circulation early after bidirectional cavopulmonary shunt.
    Ann Thorac Surg, 83(5): e11-3. [Abstract] [Full-text]
20. Combination of alfuzosin and sildenafil is superior to monotherapy in treating lower urinary tract symptoms and erectile dysfunction.
    Eur Urol, 51(6): 1717-23. [Abstract] [Full-text]

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