Objective: To compare the risk factors with estrogen receptor (ER), progesterone receptor (PR), human epidermal growth factor receptor 2 (HER2) status of breast cancer patients. Study Design: Cross sectional comparative study. Place and Duration of Study: This study was carried out in Multidisciplinary Lab-1 of Army Medical College,National University of Medical Sciences, Rawalpindi, in collaboration with Department of Pathology of ArmyMedical College, NUMS Rawalpindi, from Jan 2019 to Jan 2020. Methodology: A total of 50 individuals including radiologically diagnosed cases of breast cancer with differentstages and 10 healthy controls without cancer. Patients with any co-morbidity were excluded. Participant’ssample was collected and subjected to ER, PR and HER2 estimation. Other factors i.e. age, gender, marital status, breast feeding, menopause status, side of the breast affected were all taken into consideration. Results: Patients characteristics showed that the mean age, marital and menopause status were linked with breast cancer. The data showed that hormone receptors i.e., ER (p=0.0001), PR (p=0.0002) and HER2 (p=0.0001) were positive among most of the cancer patients as compared to the healthy subjects without cancer. There were no association found between age and hormone receptors. Marital status, breast feeding, menopause and side of breasts involved also had no association with hormone receptors. Conclusion: No significant association found between risk factors and hormone recpetors status of breast cancer patients in our population.
Objective: To investigate the prevalence of S. aureus in hospitalized patients of Islamabad. Study Design: Cross-sectional study. Study Duration: Pakistan Institute of Medical Science, Applied Microbiology and Biotechnology Lab, COMSATS Institute of Information Technology, Islamabad, from Sep 2017 to Sep 2018. Methodology: A total of 500 samples were collected. The isolates were divided into four study groups according to their source of origin i.e. group 1 (dermal group), group 2 (nasal group), group 3 (blood group) and group 4 (urine group). Gram staining, catalase test and DNA se media analysis were done for validation of S. aureus. Disc diffusion test (for antibiotic susceptibility), Oxacillin disc test (to differentiate between methicillin-resistant Staphylococcus aureus and methicillin-susceptible staphylococcus aureus) and minimal inhibitory concentration (for susceptibility to vancomycin), were performed. Results: Degree of the prevalence of staphylococcus aureus was 21%, 17%, 9% and 8% in group 1, 2, 3 & 4 respectively. The overall prevalence of staphylococcus aureus was 19.5% in all isolates. The disc diffusion test showed the descending resistance pattern of isolates i.e. 100, 94, 94, 76, 58, 55, 47, 43, 40 and 37% for penicillin, ciprofloxacin, Kanamycin, erythromycin, tetracycline, oxazolidinone, sulfamethoxazole, doxycycline, clindamycin, and cipoxin respectively. Minimal inhibitory concentration found only one sample resistant at 2ug/l concentration of Vancomycin. Moreover, Oxacillin disc test showed 52% methicillin-susceptibleStaphylococcus aureus while 48.2% methicillin-resistant staphylococcus aureus among all isolates. Conclusion: There is an increase in the frequency of methicillin-resistant staphylococcus aureus. Single vancomycin resistant staphylococcus aureus strain was also isolated.
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