This study aims to evaluate the healing effect of topical Apigenin cream 2% in the skin of rabbits. Twenty Four healthy Newzealand adult male rabbits approximately at the same age were involved in this study. All animals were anesthetized using a mixture of 40 mg/kg ketamine injection and xylazine 4 mg/kg intramuscularly. The skin of the dorsum area of each rabbit was shaved; then, three incisions (1cm in length) were made. Wounds were left without suturing to heal by secondary intention healing, and each animal had three wounds (wounds divided into three groups according to the type of treatment): one treated with Apigenin cream twice a day, the other with cold cream twice a day, and the third wound was left untreated. The application of cream was repeated daily; the wound size and the ratio of wound contraction were assessed at the first, fourth, and seventh days of study. The results revealed that the group treated with apigenin showed significantly better wound healing capacity in the skin of rabbits; wound size and wound contraction ratio was superior in the Apigenin group compared to control positive and negative groups. It can be concluded that apigenin cream has beneficial value for improving the wound healing potential of skin in rabbits.
This study aims to evaluate the effect of the topical application of hyaluronic acid cream 0.2% in the skin wound healing in rabbits. Thirty two healthy New Zealand adult male rabbits approximately at the same age and weight were involved in this study; all animals were anaesthetized using a 40 mg/kg ketamine and xylazine 4 mg/kg injection intramuscularly. The skin of the dorsum area of each rabbit was aseptically prepared and then two incisions (1cm in length) were made on the skin. Wounds were left without suturing to heal by secondary intention healing. Each animal had two wounds (wounds divided into two groups according to the type of treatment): one treated with hyaluronic acid cream twice a day, the second wound was left untreated. The application of the cream was repeated daily. Rabbits were divided into 4 groups according to sacrifice days; every eight rabbits were sacrificed in days 1st, 3rd, 7th, and 14th days, biopsies were taken and sent for histological assessment. Group treated with hyaluronic acid showed significant improvement in wound healing capacity in the skin of rabbits; granulation tissue formation and reepithelialization were significantly improved in the hyaluronic acid group compared with the control group in the 3rd and 7th days. Also, Reepithelialization in the hyaluronic acid group was better on the 14th day of this study compared with the control group. Hyaluronic acid cream increases the rate of wound healing in the skin of rabbits.
BACKGROUND: Cancer patients are particularly vulnerable during the coronavirus disease 2019 (COVID-19) pandemic. This study aimed to evaluate clinical characteristics and mortality among cancer patients with COVID-19. METHODS: This retrospective, observational cohort study included 53 patients with a malignancy and reverse-transcription polymerase chain reaction-confirmed severe acute respiratory syndrome coronavirus-2 infection in a tertiary care center in Mecca, Saudi Arabia, from March 14, 2020, to October 29, 2020. Clinical, laboratory, and radiological data were collected from institutional electronic records and analyzed. RESULTS: Overall, 53 patients (62% male) were enrolled. The mean age of the patients was 54.9 ± 19.0 years, with 76% aged <65 years. The most common symptoms were fever (66%), dry cough (40%), and dyspnea (36%). Most infections (89%) were community acquired. Hematological malignancies (36%) were the most common cancer type. The most common solid tumors were breast cancer (23%) and colon cancer (9%). Just over half (51%) had a stage 4 tumor, and 30% of the patients had received chemotherapy within 2 weeks before the onset of COVID-19 symptoms. Initial chest radiographs showed pneumonia in 43% of patients; 38%, 9%, and 6% required oxygen support, intensive care unit admission, and invasive mechanical ventilation, respectively. The most common complication was secondary bacterial infection (13.2%). The all-cause mortality rate was 17%. In the multivariable logistic regression, dyspnea, leukocytosis, use of systemic steroids, and secondary bacterial infection were found to be risk factors for death. CONCLUSION: Hospitalized cancer patients with COVID-19 have a high mortality rate. Our study finds a correlation between multiple independent risk factors and mortality. Patients with dyspnea, leukocytosis, systemic steroid use, or secondary bacterial infection require more care, attention, and possibly more aggressive treatment.
Introduction: In-hospital cardiac arrest is a common health problem associated with high levels of mortality, our goal is to identify the important elements that play a significant role in lowering cardiopulmonary resuscitation (CPR) in-hospital (code Blue) death rates. Methods: this was a retrospective cohort study, involving patients who had in-hospital CPR at Heraa General Hospital from January 2020 to June 2022. The data was collected from the hospital's information center. Results: our sample population was over 600 patients, selected randomly from the hospital's information center. Consist of 55.1% males and 44.5% of them were females with 53.9% having Pulseless Electrical Activity (PEA) as initial cardiac rhythm. The following variables: age, intubated before CPR, intubated during CPR, initial cardiac rhythm, Adrenaline 1mg, and Amiodarone 300mg showed P-valve less than 0.05. Conclusion: There is statistically significant association between the clinical variables: Intubated before CPR, intubated during CPR, initial cardiac rhythm, Adrenaline 1mg, Amiodarone 300mg and age and "Survived after Cardiopulmonary resuscitation (CPR)".
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