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The mitral valve has been traditionally approached through a median sternotomy. However, mitral valve surgery could be performed using smaller incisions including the right minithoracotomy. This study was a case-control non randomized conducted on 60 patients. All patients had isolated mitral valve disease for mitral valve surgery, 30 of them were operated through right anterolateral minithoracotomy and the others through full median sternotomy to study the effects of minimally invasive mitral valve surgery through right anterolateral minithoracotomy on morbidity and mortality compared with conventional mitral surgery. Medico legal concent was taken from all the patients in this study. All the patients completed the study and there was no mortality among the patients. There was no statistically significant difference as regards the demograohic data, NYHA score and the preoperative echocardiographic findings. Regarding intraoperative comparison, there was statistically significant difference in the cross-clamp time, total bypass time & total operation time. This difference may be due to the new experiences in this MIMVS and the lack of instrumentation that narrow the field of MIMVS. The length of the incision was highly significantly lesser in the minimally invasive group than the full sternotomy group. There was significant difference in the intensive care parameters. The blood loss and the blood transfusion required were lesser in the minimally invasive group. But the ventilation hours and ICU stay was nearly the same in both groups. There was highly significantly less postoperative pain in the minimally invasive group than in the stenotomy group. Total hospital stay was nearly the same in both groups. Minimally invasive mitral valve surgery is a safe alternative to a conventional approach and is associated with less morbidity especially with expert surgeon in simple mitral valve surgery.

Background Laparoscopic surgery has led to many changes in the management of surgical patients and significantly reduced the incidence of complications associated with open surgical procedures 1. At present, laparoscopic hernia repair has gained clinical significance in patients with bilateral or recurrent hernia. 2 Objectives The aim of this study is to compare open hernioplasty and laparoscopic hernia repair in unilateral non recurrent inguinal hernia. The present study will be performed on 30 patients to compare the effectiveness of laparoscopic hernia repair and open hernioplasty and to assess the intra operative and post-operative complications, duration of surgery, hospital stay, postoperative morbidity, recurrence and patient satisfaction. Patients and Methods . Comparative studies on 30 patients were classified according the type of operative technique into 2 groups: Group A patients underwent laparoscopic technique (15 patients), group B patients underwent open technique (15 patients) to evaluate and compare the open and laparoscopic techniques in unilateral non recurrent inguinal hernia repair as regard operative time,post operative pain, hospital stay, urine retention, parathesia, numbness, seroma,, wound infection and recurrence Results Our study revealed highly significant increase in operative time in laparoscopic group; compared to open group of patients; with highly significant statistical difference (p value < 0.0001), highly significant decrease in post-operative pain score in laparoscopic group; compared to open group of patients; with highly significant statistical difference. (p value = 0.00434),highly significant decrease in postoperative hospital stay in laparoscopic group; compared to open group of patients; with highly significant statistical difference. (p value = 0.000003), significant decrease in post operative parathesia and numbness in laparoscopic group; compared to open group of patients; (p value =0.000414),highly significant decrease in post-operative urine retention in laparoscopic group; compared to open group of patients; with highly significant statistical difference (p value= 0.000267). Conclusion The laparoscopic technique is superior to the open technique of tensionfree repair, in terms of immediate post-operative complications and delayed pain and paresthesia also in terms of safety.