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With widespread use of PSA screening, radical prostatectomy has gained popularity among Japanese urologists over the last decade. Recent understanding of pelvic anatomy and improvement in surgical technique have substantially reduced its morbidity. Early recovery of urinary continence is possible and improvement of sexual function after surgery may be enhanced by use of Sildenafil Citrate ( Viagra ) and nerve reconstructive surgery. As prostate cancer is increasingly diagnosed at early stages and therefore with more favorable survival outcomes, the basis on which patients select primary therapy has shifted toward considerations of health-related quality of life. Accordingly, QOL assessment has become an important form of outcomes based research that may weigh heavily on the treatment selection by patients.
 <br><br><b>Peyronie's disease: an update of the medical management.</b><br><br>Peyronie's disease (PD) is characterised by penile ( enlargement pills for big member) plaque formation, pain, penile ( member enlargement pills for big member) deformity and erectile dysfunction. It is a fibrotic disorder of the tunica albuginea with a poorly understood aetiology and epidemiology. PD may be classified into inflammatory (acute) and chronic stages. Medical treatment is usually instigated during the inflammatory phase of the disease. A review of the literature reveals a wide range of oral, intralesional and alternative therapies that are discussed in relation to established pathophysiological mechanisms of the disease. The advantages and disadvantages of each treatment are summarised. This review also discusses the ongoing therapeutic dilemmas of PD and suggests a treatment strategy based on an analysis of the urological literature.
 <br><br><b>Effect of antihypertensive agents on quality of life in the elderly.</b><br><br>Management of hypertension in the elderly should take into account, in particular, the possible negative impact of antihypertensive drugs on the patient's quality of life, the deterioration of which may result in a loss of independence and reduced treatment compliance. Quality of life is recognised as a multifactorial variable and can be subdivided into different domains (symptomatic well-being, emotional, physical, work-social, cognitive and life satisfaction), which are generally explored by means of specific questionnaires or scales. When evaluating elderly patients with hypertension, it is necessary to pay particular attention to specific domains such as symptomatic well-being, cognitive function, activity and sexual function, which have already been diminished by the age itself and the disease. The results of some large trials that specifically evaluated the quality of life effects of long-term therapy of hypertension in older people (Medical Research Council's [MRC] Trial of Hypertension in Older Adults, Systolic Hypertension in the Elderly Program [SHEP], Systolic Hypertension in Europe [Syst-Eur], Study on COgnition and Prognosis in the Elderly [SCOPE]) have shown that antihypertensive treatment as a whole either had no negative impact on quality of life, or even produced some improvement. The question whether some classes of antihypertensive agents are more beneficial or harmful than others in terms of quality-of-life effects remains largely unanswered.Results from long-term trials suggest that treatment with diuretics is not associated with adverse effects on quality of life. Nevertheless, chlortalidone and other diuretics have been more often associated with sexual dysfunction in men, including decreased libido, erectile dysfunction and difficult ejaculation, than other drug classes. Nonselective lipophilic beta-adrenoceptor antagonists, such as propranolol, have been reported to exert some negative effect on quality of life and have been associated with depression, impairment of memory function and adverse effects such as erectile problems. A less unfavourable impact has been described with beta(1)-adrenoceptor antagonists and those with vasodilating properties. Calcium channel antagonists have generally been associated with a positive effect on quality of life, although some trials have shown high rates of adverse effects and withdrawals, particularly with first-generation dihydropyridines. Concern has also been raised about the potential for adverse cognitive effects associated with the use of calcium channel antagonists, but studies on this topic are not univocal. ACE inhibitors have usually been reported to exert favourable effects on quality of life. These drugs seem to be effective in maintaining, or even improving, cognitive function through mechanisms other than blood pressure control. In addition, a number of studies reported favourable impact of ACE inhibitors on sexual function. Angiotensin II receptor antagonists have been associated with good tolerability and low withdrawal rate. They have been demonstrated not to interfere with or even improve cognitive function as well as sexual performance.Although no class of antihypertensive agents presents a clearly superior effect over the others in terms of quality of life, the current impression is that ACE inhibitors and angiotensin II receptor antagonists may offer some advantage, at least in regard to effects on cognitive function and sexual activity.
 <br><br><b>The interlinked depression, erectile dysfunction, and coronary heart disease syndrome in older men: a triad often underdiagnosed.</b><br><br>The prevalence of depression, erectile dysfunction (ED), and coronary heart disease (CHD) increases with age, and the symptoms related to these three illnesses are closely interlinked. The term "DEC syndrome" is introduced to refer to this triad of comorbid conditions. When a patient presents with one component of the DEC syndrome, physicians should also screen for the other two components. Studies have shown that depression may predispose an individual to an increased risk of developing CHD, and older men with CHD are more likely to be depressed. Likewise, patients with ED are more likely to be clinically depressed, and patients with clinical depression often have ED. Furthermore, patients presenting with ED are often hypertensive, and thus have a significantly higher prevalence of cardiovascular complications. Multifactorial problems require multifactorial approaches, and the care of older men can improve if physicians are aware of this interlinked syndrome.
 <br><br><b>Risperidone versus typical antipsychotic medication for schizophrenia.</b><br><br>BACKGROUND: Risperidone is one of the 'new generation' antipsychotics. As well as its reputed tendency to cause fewer movement disorders than the older drugs such as chlorpromazine and haloperidol, it is claimed that risperidone may improve negative symptoms. OBJECTIVES: To evaluate the effects of risperidone for schizophrenia in comparison to 'conventional' neuroleptic drugs. SEARCH STRATEGY: The original electronic searches of Biological Abstracts (1980-1997), Cochrane Schizophrenia Group's Register (1997), The Cochrane Library (1997, Issue 1), EMBASE (1980-1997), MEDLINE (1966-1997), PsycLIT (1974-1997), and SCISEARCH (1997) were updated with a new electronic search of the same databases in 2002. The search term used in the update was identical to that used in 1997. Any new studies or relevant references were added to the review. In addition, references of all identified studies were searched for further trial citations. Pharmaceutical companies and authors of trials were also contacted. SELECTION CRITERIA: All randomised trials comparing risperidone to any 'conventional' neuroleptic treatment for people with schizophrenia or other similar serious mental illnesses. DATA COLLECTION AND ANALYSIS: Citations and, where possible, abstracts were independently inspected by reviewers, papers ordered, re-inspected and quality assessed. Data were also independently extracted. Where possible, sensitivity analyses on dose of risperidone, haloperidol and duration of illness were undertaken for the primary outcomes of clinical improvement, side effects (movement disorders) and acceptability of treatment. For homogeneous dichotomous data the Relative Risk (RR), 95% confidence interval (CI) and, where appropriate, the number needed to treat/harm (NNT/H) were calculated on an intention-to-treat basis. MAIN RESULTS: In the short-term, risperidone was more likely to produce an improvement in the Positive and Negative Syndrome Scale (PANSS) when compared with haloperidol (n=2368, 9 RCTs, RR not 20% improved 0.72 CI 0.59 to 0.88 NNT 8). A similar, favourable outcome for risperidone was found in long-term studies (n=859, 2RCTs RR not 20% improved 0.51 CI 0.38 to 0.67 NNT 4;n=675 1RCT, RR not improved 40% 0.75 CI 0.66 to 0.84 NNT 5; n=675, 1 RCT, RR not 60% improved 0.90 CI 0.84 to 0.96, NNT 11). Risperidone was also more likely to reduce relapse at one year follow up, compared with haloperidol (n=367, 1 RCT, RR 0.64 CI 0.41 to 0.99, NNT 7). Less people allocated risperidone left studies before completion, both for short-term (n=3066, 16 RCTs, RR 0.76 CI 0.63 to 0.92, NNT 6) and long-term trials (n=1270, 4RCTs, RR 0.55 CI 0.42 to 0.73 NNT 4). For general movement disorders results favoured risperidone. People given risperidone had significantly fewer general movement disorders (including extrapyramidal side effects) than those receiving older typical antipsychotics (n=2702, 10 RCTs, RR 0.63 CI 0.56 to 0.71, NNT 3). Significantly fewer people given risperidone used antiparkinsonian drugs (n=2524, 11 RCTs, RR 0.66 CI 0.58 to 0.74, NNT 4). As regards body weight, however, four studies (n=1708) found people were more likely to gain weight if allocated risperidone compared to typical antipsychotics (RR 1.55 CI 1.25 to 1.93, NNH 3). Risperidone was no more or less likely than haloperidol to cause sexual problems such as erectile dysfunction (n=106, 2 RCTs, RR 1.55 CI 0.58 to 4.20). Finally, some results found risperidone was more likely to cause rhinitis than conventional antipsychotics (n=656, 3 RCTs, RR1.99 CI 1.24 to 3.19, NNH 3). REVIEWER'S CONCLUSIONS: Risperidone may be more acceptable to those with schizophrenia than older antipsychotics and have marginal benefits in terms of limited clinical improvement. Its adverse effect profile may be better than haloperidol. With the addition of more studies to this review, the publication bias evident in previous versions is no longer a significant issue. Any marginal benefits this drug may have have to be balanced against its greater cost and increased tendency to cause side effects such as weight gain. Recent important longer term data favouring risperidone's effect on relapse needs to be replicated by researchers independently of the manufacturers of the drug.
 <br><br><b>New treatment options for erectile dysfunction. Pharmacologic and nonpharmacologic options</b><br><br>Erectile dysfunction is a medical condition that influences the sexual life of millions of men and women worldwide. Due to a large number of currently available drugs, the therapy of erectile dysfunction has changed profoundly during the last decades. The pharmacologic options are divided into initiators versus conditioners and central- or peripheral-acting drugs. Besides intraurethral and intracavernous application of prostaglandin E(1) (PGE(1), peripheral initiator)--a transdermal application is still in clinical testing--there are drugs for oral application. PGE(1), the vasoactive drug mainly used, was replaced by Sildenafil Citrate ( Viagra ) in first-line-therapy. PGE(1), administered intracavernosally or intraurethrally, is highly effective with success rates up to 90%, but the attrition rate due to personal inconvenience remains significant. Yohimbine is known as a central amplifier of erection and is useful in psychogenic and mild organic erectile dysfunction. Apomorphine, a central initiator of erection, amplifies erectile response as a central dopamine agonist in mild and moderate erectile dysfunction and starts acting 15-20 min after sublingual application. The phosphodiesterase type 5 (PDE-5) inhibitors sildenafil, Vardenafil ( Levitra ), and taldalafil are peripheral conditioners. Sildenafil, the most distributed oral agent worldwide, should be taken orally 60 min before sexual intercourse in combination with sexual stimulation. Sildenafil Citrate ( Viagra ) shows a high efficacy-safety profile with success rates for all etiologies between 50-80%. Paralleling nitrate-containing medication is an absolute contraindication. Vardenafil, another selective PDE-5 inhibitor with potentially higher selectivity and efficacy compared to Sildenafil Citrate ( Viagra ) was just approved. The data from the clinical trials show the same adverse events and success rates as sildenafil. Tadalafil ( Cialis ) , just launched as well, amplifies erectile function for up to 24 h, allowing the patient to engage in sexual activity for this period. Adverse events and success rates resemble those of the other two substances. If medical treatment fails, there are nonpharmacologic options such as the vacuum constriction device and penile ( enlargement pills for big member) implants. The vacuum device is a safe and effective option for well-selected patients. penile ( enlargement pills for big member) implants, especially the inflatable ones, completely imitate the physiologic erection. Due to recent research, infection rates and mechanical failures were minimized. Therefore penile ( member enlargement pills for big member) implant surgery is well accepted by the patients and their partners. Despite this wide variety of options, therapy of erectile dysfunction should be performed in an individually adapted way. The patient's exact history, physical examination, collaboration of medical disciplines and choice of therapy will offer all patients the possibility to achieve or regain a satisfying sexual life.
 <br><br><b>Prevalence of erectile dysfunction: a systematic review of population-based studies.</b><br><br>A systematic review was conducted on the prevalence of erectile dysfunction (ED) in the general population. Studies were retrieved which reported prevalence rates of ED in the general population. Using a specially developed criteria list, the methodological quality of these studies was assessed and data on prevalence rates were extracted. We identified 23 studies from Europe (15), USA (5), Asia (2) and Australia (1). On our 12-item criteria list, the methodological quality ranged from 5 to 12. The prevalence of ED ranged from 2% in men younger than 40 y to 86% in men 80 y and older. Comparison between prevalence data is hampered by major methodological differences between studies, particularly in the use of various questionnaires and different definitions of ED. We stress the importance of providing all necessary information when reporting on the prevalence of ED. Moreover, international studies should be conducted to establish the true prevalence of ED across countries.
 <br><br><b>Central mechanisms of erectile dysfunction: what a clinician may want to know.</b><br><br>The interplay between peripheral and central mechanisms of erectile function are not fully elucidated although basic science is moving ahead in this area. It is important from a clinical point of view to understand these mechanisms so that we may begin to make further therapeutic advances in the treatment of erectile dysfunction (ED). It is now widely understood that central disinhibition plays a crucial role in the induction of erectile responses and this has led to the development of the central initiator, apomorphine SL (Ixense ) [apo SL]. Apo SL acts in the paraventricular nucleus of the hypothalamus as a dopamine receptor agonist. It works as a proerectile conditioner at this level to increase the responses of the erectile pathway following appropriate sexual stimulation. This unique central mode of action of apo SL has thus proved efficacious in approximately 70% of ED patients although persistence may be required to produce a robust effect for the maximum number of patients.