George Peppas

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BACKGROUND We aimed to review the literature regarding the epidemiology of constipation in Europe and Oceania and the associated prevalence/risk factors. METHODS Two reviewers performed PubMed searches and a hand search of references. A study was considered eligible for inclusion if it reported data about the prevalence of constipation in any population,(More)
OBJECTIVE We sought to evaluate the degree of patients' understanding of several aspects of the informed consent process for surgery and clinical research. METHODS We conducted a systematic search of PubMed (1961-2006) to identify relevant articles. RESULTS We retrieved 23 and 30 eligible for inclusion articles regarding informed consent for surgery and(More)
Advances in surgery have considerably lowered postoperative morbidity. However, infection remains a considerable morbidity factor. The aim of this review is to identify the potential benefit(s) of the perioperative administration of probiotics/synbiotics to patients undergoing abdominal surgery. We searched PubMed, Scopus, Web of Science, and Cochrane(More)
The Abstract was omitted from the original article. Abstract Several types of infections involving the respiratory tract have a seasonal variation. We further examined whether lower urinary tract infections (UTIs) are associated with meteorological parameters. We retrospectively evaluated the correlation of the weekly percentage of house call visits for(More)
There is still controversy regarding the appropriate management of diverticulitis of the colon in cases when both surgical and conservative treatment may be an option. We performed a systematic review of the available evidence regarding the outcomes after medical and surgical treatment of diverticulitis from studies published after 1980 and indexed in the(More)
Mesh infection, although infrequent, is a devastating complication of mesh hernioplasties. The aim of this study was to systematically review and synthesize the available evidence on risk factors for synthetic mesh infection after hernioplasty. A systematic search was performed in PubMed and Scopus databases. The extracted data were synthesized with the(More)
OBJECTIVE The study objective was to determine whether the application of gentamicin collagen sponges reduces sternal wound infections in patients undergoing cardiac surgery. METHODS A meta-analysis of randomized controlled trials was performed. RESULTS Four randomized controlled trials were eligible for inclusion. By pooling data from 4 randomized(More)
Over the last decade, travel medicine was mainly focused on the epidemiology of diseases among travelers to developing countries. However, less is known about travel-related morbidity in Europe. We evaluated the demographic and clinical characteristics of foreign travelers to Greece during a 5-year period (01/01/2005 - 31/12/2009) who sought medical(More)
BACKGROUND Numerous studies have examined the effect of psychological variables on surgical recovery, but no definite conclusion has been reached yet. We sought to examine whether psychological factors influence early surgical recovery. METHODS We performed a systematic search in PubMed, Scopus and PsycINFO databases to identify studies examining the(More)
We sought to review the available evidence regarding the effect of psychosocial factors on the survival of breast cancer patients. We systematically searched the PubMed and PsycINFO databases to identify relevant studies. We identified 31 studies examining the association of various psychosocial parameters with overall breast cancer survival/disease free(More)