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1.
World J Clin Cases ; 10(14): 4348-4356, 2022 May 16.
Article in English | MEDLINE | ID: mdl-35663078

ABSTRACT

Determination of the mesenchymal stem cells is one of the greatest and most exciting achievements that tissue engineering and regenerative medicine have achieved. Adipose-derived mesenchymal stem cells (AD-MSC) are easily isolated and cultured for a long time before losing their stem cell characteristics, which are self-renewal and pluripotency. AD-MSC are mesenchymal stem cells that have pluripotent lineage characteristics. They are easily accessible, and the fraction of stem cells in the adipose tissue lysates is highest among all other sources of mesenchymal stem cells. It is also HLA-DR negative and can be transplanted allogenically without the need for immunosuppression. These advantages have popularized its use in many fields including plastic reconstructive surgery. However, in the field of hepatology and liver transplantation, the progress is slower. AD-MSC have the potential to modulate inflammation, ameliorate ischemia-reperfusion injury, and support liver and biliary tract regeneration. These are very important for the treatment of various hepatobiliary diseases. Furthermore, the anti-inflammatory potential of these cells has paramount importance in the treatment of sepsis. We need alternative therapeutic approaches to treat end-stage liver failure. AD-MSC can provide a means of therapy to bridge to definitive therapeutic alternatives such as liver transplantation. Here we propose to review theoretic applications of AD-MSC in the treatment of hepatobiliary diseases and sepsis.

2.
J Coll Physicians Surg Pak ; 24(5): 299-303, 2014 May.
Article in English | MEDLINE | ID: mdl-24848384

ABSTRACT

OBJECTIVE: To evaluate the effect of intraoperative low-dose ketamine with general anesthesia on postoperative pain after total knee replacement surgery. STUDY DESIGN: A randomized, double-blind comparative study. PLACE AND DURATION OF STUDY: Ankara Numune Training and Research Hospital, Turkey, from January and June 2011. METHODOLOGY: Sixty adults undergoing total knee arthroplasty were enrolled in this study. The patients were randomly allocated into two groups of equal size to receive either racemic ketamine infusion (6 µg/kg/minute) or the same volume of saline. A visual analogue scale (VAS) was used to measure each patient's level of pain at 1, 3, 6, 12, and 24 hours after surgery. Time to first analgesic request, postoperative morphine consumption and the incidence of side effects were also recorded. RESULTS: Low-dose ketamine infusion prolonged the time to first analgesic request. It also reduced postoperative cumulative morphine consumption at 1, 3, 6, 12, and 24 hours postsurgery (p < 0.001). Postoperative VAS scores were also significantly lower in the ketamine group than placebo, at all observation times. Incidences of side effects were similar in both study groups. CONCLUSION: Intraoperative continuous low-dose ketamine infusion reduced pain and postoperative analgesic consumption without affecting the incidence of side effects.


Subject(s)
Analgesics/administration & dosage , Arthroplasty, Replacement, Knee , Ketamine/administration & dosage , Knee Joint/surgery , Pain, Postoperative/prevention & control , Adult , Aged , Analgesia, Patient-Controlled , Anesthesia, General , Double-Blind Method , Female , Humans , Infusions, Intravenous , Injections, Intravenous , Male , Middle Aged , Pain Measurement , Prospective Studies , Treatment Outcome
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