Background: Laparoscopic cholecystectomy (LC) is now the gold standard technique for the treatment of gallstones disease. Although pain after LC is less intense than after open cholecystectomy, some patients still experience considerable discomfort during early postoperative hours. The aim of this study is to evaluate the effect of intraperitoneal and port site instillation of local anaesthetics on pain relief in early postoperative period following LC.Methods: This is a randomized, prospective analytical study among patients subjected to elective laparoscopic cholecystectomy. Patients were divided into 3 groups as; Group 1 was control, Group 2 was assigned to receive portside infiltration of bupivacaine, while group 3 received combined port site and intraperitoneal instillation of bupivacaine. The evaluation of postoperative pain was done according to the visual analog scale and the dosage of narcotic analgesics consumed and duration of hospital stay was also recorded.Results: At 1st post-operative hour, minimum VAS score was in group 3 (p=0.003). At 4th post-operative hour, Minimum VAS score was in group 3(p=0.015). At 8th post-operative hour, Minimum VAS score was in group 3, (p=0.044). Patients in group 3 received a lower total amount of rescue analgesia and they also had the shortest hospital stay after LC, compared to the patients in the other groups. As regarding the incidence of right shoulder pain, group 3 has minimal no of patients experienced rt shoulder tip pain.Conclusions: Infiltration of bupivacaine into port site and intraperitoneal space is simple, inexpensive and effective technique to minimize early postoperative pain and can be practiced for elective LC.
Nanotechnology has changed the entire paradigm of drug targeting and has shown tremendous potential in the area of cancer therapy due to its specificity. In cancer, several targets have been explored which could be utilized for the better treatment of disease. Mitochondria, the so-called powerhouse of cell, portrays significant role in the survival and death of cells, and has emerged as potential target for cancer therapy. Direct targeting and nanotechnology based approaches can be tailor-made to target mitochondria and thus improve the survival rate of patients suffering from cancer. With this backdrop, in present review, we have reemphasized the role of mitochondria in cancer progression and inhibition, highlighting the different targets that can be explored for targeting of disease. Moreover, we have also summarized different nanoparticulate systems that have been used for treatment of cancer via mitochondrial targeting.
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