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1.
Biol Pharm Bull ; 46(7): 907-913, 2023.
Article in English | MEDLINE | ID: mdl-37394642

ABSTRACT

Tramadol is metabolized by CYP2D6 to an active metabolite, which in turn acts as an analgesic. This study aimed to investigate the impact of CYP2D6 genotype on the analgesic effect of tramadol in clinical practice. A retrospective cohort study was performed in patients treated with tramadol for postoperative pain after arthroscopic surgery for rotator cuff injury during April 2017-March 2019. The impact of CYP2D6 genotypes on the analgesic effects was assessed by the numeric rating scale (NRS) pain scoring and analyzed by the Mann-Whitney U test. Stepwise multiple linear regression analysis was performed to identify predictive factors for the area under the time-NRS curve (NRS-AUC), which was calculated using the linear trapezoidal method. Among the 85 enrolled Japanese patients, the number of phenotypes with CYP2D6 normal metabolizer (NM) and intermediate metabolizer (IM) was n = 69 (81.1%) and n = 16 (18.9%), respectively. The NRS and NRS-AUC in the IM group were significantly higher than those in the NM group until Day 7 (p < 0.05). The multiple linear regression analysis indicated that the CYP2D6 polymorphism was a prediction factor of the high NRS-AUC levels in Days 0-7 (ß = 9.52, 95% CI 1.30-17.7). In IM patients, the analgesic effect of tramadol was significantly reduced one week after orthopedic surgery in clinical practice. Therefore, dose escalation of tramadol or the use of alternative analgesic medications can be recommended for IM patients.


Subject(s)
Orthopedic Procedures , Tramadol , Humans , Analgesics , Analgesics, Opioid/adverse effects , Cytochrome P-450 CYP2D6/genetics , Cytochrome P-450 CYP2D6/metabolism , East Asian People , Genotype , Retrospective Studies , Tramadol/adverse effects , Tramadol/pharmacokinetics , Tramadol/therapeutic use
2.
Ann Nutr Metab ; 74(2): 107-114, 2019.
Article in English | MEDLINE | ID: mdl-30673667

ABSTRACT

BACKGROUND/AIMS: Patients undergoing hematopoietic stem cell transplantation (HSCT) often receive total parenteral nutrition (TPN) due to poor oral intake. In clinical practice, it is difficult to predict adequate nutritional management, especially the duration of parenteral nutrition (PN), because of inter-individual variability in the conditions and types of treatment regimens. This study investigated the relationship between patient factors and the duration of TPN and the duration of PN. METHODS: Data on clinical features, patient characteristics, and the duration of TPN and PN were collected from medical records of 61 of 73 patients who underwent HSCT between April 2010 and December 2014 and were analyzed by multiple linear regression analysis. RESULTS: Forty-nine patients (80.3%) received TPN and 53 (86.9%) received PN. Sixty patients were affected by poor oral intake soon after pretreatment. Body mass index (BMI) was significantly correlated with the duration of TPN (ß = -2.733; 95% CI -4.679 to -0.787). BMI (ß = -2.260; 95% CI -4.304 to -0.213) and conditioning regimen (ß = 12.726; 95% CI 0.692-24.76) were significantly correlated with the duration of PN. CONCLUSIONS: BMI at admission and the type of conditioning regimen should be considered in choosing the nutritional management plan in patients with HSCT with poor oral intake.


Subject(s)
Body Mass Index , Hematopoietic Stem Cell Transplantation , Parenteral Nutrition , Transplantation Conditioning , Adult , Aged , Female , Humans , Linear Models , Male , Middle Aged , Parenteral Nutrition, Total , Retrospective Studies , Time Factors , Young Adult
3.
Yakugaku Zasshi ; 138(5): 715-722, 2018.
Article in Japanese | MEDLINE | ID: mdl-29710016

ABSTRACT

 The importance of community-based care systems has increased due to the highly aging population and diversity of disease. To enhance the cooperation among healthcare professionals in community-based care systems, a two-day on-site training program for community pharmacists based on a multidisciplinary team approach was conducted at the Medical Science Hospital of Shiga University from April 2015 to March 2017. There were two professional courses in this training program: the palliative care course and nutrition support course. Both courses consisted of common pharmaceutical care training as follows: regional cooperation among healthcare professionals, pharmacist's clinical activities in the ward, pressure ulcer care, infection control, and aseptic technique for parenteral solutions. Each course was limited to 2 participants. A questionnaire was given to participants in the training program. Seventy-five pharmacists participated in the training and all of them answered the questionnaire. According to the questionnaire, 86% of participants felt that 2 days was an appropriate term for the training program. Positive answers regarding the content of each program and overall satisfaction were given by 100% and 99% of the participants, respectively. In the categorical classification of free comments regarding the expected change in pharmacy practice after the training, both "support for patients under nutritional treatment" and "cooperation with other medical staff" were answered by 24 participants. These results suggested that the 2-day on-site training for community pharmacists facilitated cooperation among healthcare professionals in the community.


Subject(s)
Community Health Services , Education, Pharmacy, Continuing/methods , Health Personnel , Intersectoral Collaboration , Pharmacists , Pharmacy Service, Hospital , Adult , Female , Humans , Interdisciplinary Communication , Male , Middle Aged , Patient Care Team , Surveys and Questionnaires , Young Adult
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