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Background and Objectives: Coronavirus disease 2019 (COVID-19) caused several cardiovascular complications, including acute myocardial infarction (AMI), in infected patients. This study aims to understand the overall trends of AMI among COVID-19 patients during the first two years of the pandemic and the disparities and outcomes between the first and second years. Materials and Methods: The retrospective analysis was conducted via the 2020 and 2021 National Inpatient Sample (NIS) database for hospitalizations between April 2020 and December 2021 being analyzed for adults with a primary diagnosis of COVID-19 who experienced events of AMI. A comparison of month-to-month events of AMI and mortality of AMI patients with concomitant COVID-19 was made alongside their respective patient characteristics. Results: Out of 2,541,992 COVID-19 hospitalized patients, 3.55% experienced AMI. The highest rate of AMI was in December 2021 (4.35%). No statistical differences in trends of AMI mortality were noted over the 21 months. AMI cases in 2021 had higher odds of undergoing PCI (aOR 1.627, p < 0.01). They experienced higher risks of acute kidney injury (aOR 1.078, p < 0.01), acute ischemic stroke (aOR 1.215, p < 0.01), cardiac arrest (aOR 1.106, p < 0.01), need for mechanical ventilation (aOR 1.133, p < 0.01), and all-cause mortality (aOR 1.032, 95% CI 1.001-1.064, p = 0.043). Conclusions: The incidence of AMI among COVID-19 patients fluctuated over the 21 months of this study, with a peak in December 2021. COVID-19 patients reporting AMI in 2021 experienced higher overall odds of multiple complications, which could relate to the exhaustive burden of the pandemic in 2021 on healthcare, the changing impact of the virus variants, and the hesitancy of infected patients to seek care.

During the pandemic of COVID-19, a novel atypical set of clinical findings was seen among several children with recent or current exposure to the virus. It was termed the multisystem inflammatory syndrome in children (MIS-C). Our study used the 2021 National Inpatient Sample to study the associations of sex, race, and age with the incidence of MIS-C among COVID-19-positive children. Out of 69,440 COVID-19-positive children, 2,790 (4.0%) reported MIS-C. The incidence of MIS-C was highest among those aged 8 years old (17,130 MIS-C cases per 100,000 COVID-19 patients), Asian or Pacific Islanders (API) (5,346 MIS-C per 100,000 COVID-19 cases), and males (4,734 cases per 100,000 COVID-19 cases). Furthermore, 7.9% of MIS-C cases met the classification of Kawasaki disease.

INTRODUCTION: Cannabis is increasingly becoming a socially acceptable substance, with multiple countries having legalised its consumption. Epidemiological studies have demonstrated an association between cannabis use and an increased risk of developing coronary artery disease. However, there is a lack of studies about the influence of cannabis consumption on the outcomes following acute myocardial infarction (AMI). MATERIAL AND METHODS: We retrospectively analysed hospitalised patients with a primary diagnosis of AMI from the 2001 to 2020 National Inpatient Sample (NIS). Pearsons χ2 tests were applied to categorical variables, and t-tests for continuous variables. We conducted a 1:1 propensity score matching (PSM). Multivariate regression models were deployed on the PSM sample to estimate the differences in several events and all-cause mortality. RESULTS: A total of 9,930,007 AMI patients were studied, of whom 117,641 (1.2%) reported cannabis use. Cannabis users had lower odds of atrial fibrillation (aOR = 0.902, p < 0.01), ventricular fibrillation (aOR = 0.919, p < 0.01), cardiogenic shock (aOR = 0.730, p < 0.01), acute ischaemic stroke (aOR = 0.825, p < 0.01), cardiac arrest (aOR = 0.936, p = 0.010), undergoing PCI (aOR = 0.826, p < 0.01), using IABP (aOR = 0.835, p < 0.01), and all-cause mortality (aOR = 0.640, p < 0.01), but with higher odds of supraventricular tachycardia (aOR = 1.104, p < 0.01), ventricular tachycardia (aOR = 1.054, p < 0.01), CABG use (aOR = 1.040, p = 0.010), and acute kidney injury (aOR = 1.103, p < 0.01). CONCLUSIONS: Among patients aged 18-80 years admitted to hospital with AMI between 2001 and 2020 in the United States, cannabis use was associated with lower risks of cardiogenic shock, acute ischaemic stroke, cardiac arrest, PCI use, and in-hospital mortality.

INTRODUCTION: Coronavirus disease 2019 (COVID-19) can lead to cardiovascular complications. We aimed to understand the trends in admission for COVID-19 and the incidence of various cardiovascular events. MATERIAL AND METHODS: The 2020 and 2021 National Inpatient Sample (NIS) was studied for cases of COVID-19 between April 2020 and December 2021 in the United States. Linear-by-linear association helped us understand the trends of various events. RESULTS: The number of cases of COVID-19 was highest in January 2021 (261,469 patients). The incidence of acute pulmonary embolism rose from 2.08% in April 2020 to 4.82% in November 2021, while deep vein thrombosis cases rose from 1.74% in April 2020 to 2.63% in December 2021. The incidence of cardiac arrest varied, with a maximum of 3.00% in August 2021. Similarly, acute ischemic stroke cases experienced their highest incidence in January 2021 (0.91%). The incidence of myocarditis was highest in April and May 2020 (0.42% each). Peak takotsubo cases were seen between October and December 2021. The highest overall all-cause mortality among COVID-19 cases was seen in April 2020 (16.74%). CONCLUSIONS: Throughout the 21 months of our analysis, various trends in COVID-19 cases and incidence of cardiac events were noticed. This could relate to the different variants of COVID-19, their direct and indirect impact on coagulation pathways and the myocardial tissues, and the protective roles of the vaccines.

Pouchitis is a common complication after ileal-pouch anal anastomosis in patients with medically refractory ulcerative colitis. There has been a lack of high-level evidence focusing on the safety and efficacy outcomes of fecal microbiota transplantation (FMT). We aim to evaluate outcomes and complications of fecal microbiota transplantation (FMT) for chronic pouchitis. Databases were systematically searched to retrieve English-only, original studies, published from inception to 31 March 2024, investigating chronic pouchitis only. Primary outcomes included overall remission, clinical response, remission, relapse, and complications. Seven studies with 94 patients were included. The pooled overall remission rate was 15% (95% CI: 0–29%, p < 0.001), the clinical response rate was 33% (95% CI: 19–46%, p = 0.14), the clinical remission rate was 14% (95% CI: 19–46%, p < 0.001), and the clinical relapse rate was 36% (95% CI: 16–55%, p = 0.11). The pooled proportion of patients with mild adverse events after FMT treatment was 39% (95% CI: 6–71%, p < 0.001). No severe adverse events or deaths were reported. Although FMT is an effective treatment for chronic pouchitis, there is still a high rate of mild adverse events. High-level evidence for FMT is still sparse, limiting recommendations for clinical use. [ABSTRACT FROM AUTHOR]

Background: Antithrombin III (AT III) has a prime role in heparin induced anticoagulation required during cardiovascular and percutaneous coronary interventions. This anticoagulation adequacy is monitored by regular activated clotting time (ACT) estimation. If there is deficiency of AT III due to any reason the desired anticoagulation i.e. target ACT is not achieved after administrating standard dose of injection heparin. Hence, extra dose of injection heparin, fresh frozen plasma (FFP) transfusion or AT III concentrate are to be given to achieve target ACT. Aim and Objectives: The aim of this study was to find incidence of AT III deficiency in patients undergoing cardiovascular surgery and percutaneous coronary interventions. To evaluate the effect of inherent AT III levels on the ACT values to heparin over the physiologic range of AT III levels and co-relation of other factors (Factor V, Fibrinogen C, Protein C and Protein S) with AT III and their implications on CPB. Material and Methods: This was single center observational prospective study. The patients included in this study had cardiovascular diseases planned for surgical or percutaneous coronary interventions. All the patients were tested preoperatively for AT III and other anticoagulation factor levels. In all the patients ACT was monitored at regular intervals to keep a check on anticoagulation during procedure. Results: In this study 267 patients underwent preoperative evaluation of AT III and other anticoagulation factor levels and incidence of AT III deficiency i.e. <80% was found in 59 (22%) patients. In open heart surgeries, 22 patients were treated with extra dose of injection heparin in addition to standard dose in whom mean ACT was prolonged from 471 seconds to 485 seconds and in 16 patients additional FFP transfusion was given and mean ACT was prolonged from 471 seconds to 544 seconds. In vascular procedures, 4 patients who required extra dose of injection heparin mean ACT was prolonged from 258 seconds to 434 seconds and in 16 patients additional FFP transfusion was given and mean ACT was prolonged from 258 seconds to 537 seconds. In 14 patients undergoing percutaneous coronary interventions mean ACT was prolonged from 217 seconds to 446 seconds after extra dose of injection heparin. Conclusion: It is important to routinely measure the AT III and other associated coagulation factors before the patient undergoes any cardiovascular intervention as its incidence is significant in patients having cardiovascular disease. [ABSTRACT FROM AUTHOR]

Introduction: In breast carcinoma, a panel of various marker proteins are used to characterise tumour subtypes, confirm tissue of origin, distinguish metastatic tumours from primary tumours, and provide additional information that may be important for prognosis, predicting response to therapy, or evaluating residual tumours post-treatment. Aim: To investigate the immunohistochemical expression of GATA binding protein 3 (GATA3) in breast carcinoma. Materials and Methods: This cross-sectional study was conducted in the Department of Pathology in collaboration with the Department of Surgery at Pt. BD Sharma, PGIMS, Rohtak, Haryana, India over the period of one year from April 2023 to March 2024. Tumour specimens (n=60) were obtained after modified radical mastectomy. All clinicopathological parameters were noted. Histological tumour grading was performed using the Nottingham Modification of the Bloom-Richardson (MBR) grading system, and representative sections were subjected to immunohistochemical analysis for Oestrogen Receptor (ER), Progesterone Receptor (PR), Human Epidermal growth factor Receptor 2/Neu (HER2/Neu), and Ki-67 for molecular subtyping, as well as GATA3 expression. The association between GATA3 expression and clinicopathological parameters and different breast cancer molecular subtypes was calculated using the Chi-square and Fisher's exact Test. The collected data were analysed using the software package Statistical Package for the Social Sciences (SPSS) version 24.0. Results: The age of patients ranged from 28 to 75 years, with a median age of 50.0 years. Triple-negative/basal-like was the most common molecular subtype 20 (33.33%) among all cases. Sixteen cases (26.67%) were of the luminal A subtype. Other molecular subtypes included 12 cases (20%) each of luminal B and HER2-enriched types. GATA3 was positive in 45 of 60 cases, constituting 75% of all cases. A statistically significant relationship was observed between GATA3-positive tumours and histological grade (p-value=0.024), ER status (p-value<0.001), PR status of the tumour (p-value=0.001), and the luminal A and B molecular subtypes (p-value<0.001). No association was found between GATA3 expression and patient age, side of the breast involved, tumour size, histologic subtype, lymph node status, Nottingham Prognostic Index (NPI), or HER2/Neu status of the tumour. Conclusion: GATA3 is a sensitive marker of breast carcinoma and exhibits nuclear expression that aids in better interpretation. It can be especially useful in metastatic breast carcinoma when considered in conjunction with other immunohistochemical markers. GATA3-positive breast cancers demonstrate luminal differentiation and are characterised by high ER and PR expression. [ABSTRACT FROM AUTHOR]

Background: In India, breast cancer forms the most common malignancy, accounting for 28.2% of all female cancers. Breast cancer consists of phenotypically diverse group of diseases. Due to different relapse abilities, doubling times, and different infiltrative capacities, it is important to identify potential biomarkers that could be used to screen high-risk patient and predict breast cancer prognosis in conjunction with classical pathological parameters. Aims and Objectives: The present study was conducted to evaluate immunohistochemical expression of CD44 in breast carcinoma and to correlate CD44 expression with other clinicopathological parameters and molecular classification of carcinoma breast. Materials and Methods: The present study was a prospective descriptive study conducted on 100 cases of carcinoma breast diagnosed on modified radical mastectomy specimens that were submitted to the Department of Pathology, Pt. B. D. Sharma, PGIMS, Rohtak, Haryana, over the period of 2 years. Results: Out of 100, 64 cases (64%) were CD44 positive. Out of these 64 cases, 9 (9%) cases were 1+, 34 (34%) cases were 2+, and 21 (21%) cases showed 3+ positive expression of CD44 in tumor cells. Loss of CD44 expression was seen in 36 (36%) cases. A statistically significant association of CD44 was seen with multifocality of the tumor, negative estrogen receptor/progesterone receptor (ER/PR) expression, and molecular subtypes. No statistically significant association of CD44 was seen with age, side of tumor, lymph node metastasis, lymphovascular invasion, ductal carcinoma in situ and Ki67, and HER2neu expression. Conclusion: A high CD44 expression in breast carcinoma correlates with aggressive tumor characteristics such as multifocality, negative ER/PR expression, and belonging to the basal subtype which is associated with poor prognosis. Conversely, low CD44 expression is linked to Luminal A and Luminal B subtypes which have good prognosis. These indicate the role of CD44 as a prognostic biomarker in the carcinoma breast. [ABSTRACT FROM AUTHOR]

Background: Neoadjuvant chemotherapy (NACT) affects the tumor protein marker's expression and status. Changes in the expression of biomarkers during NACT may influence the clinical decision of adjuvant molecular and hormonal therapy. Hence, re-evaluation of receptor status has to be done after NACT to give a specific adjuvant therapy for patient benefit. Aims and Objectives: The aim of this study was to study the status of hormone receptors (HRs) - estrogen receptor (ER), progesterone receptor (PR), human epidermal growth factor receptor (Her-2/Neu), and Ki-67 in patients with locally advanced breast cancer (LABC) in both core needle biopsies and post-mastectomy specimens after administering neoadjuvant chemotherapy. Materials and Methods: The present study was conducted in the Department of Pathology in collaboration with the Department of Surgery, Pt B D Sharma PGIMS, Rohtak, for a period of 1 year. The study comprised 52 patients with LABC who received neoadjuvant chemotherapy and 20 control cases who did not receive neoadjuvant chemotherapy. Each case comprised two specimens: Trucut biopsy and a mastectomy specimen. Results: ER changed from positive to negative in 15.4% of the cases and from negative to positive in 1.9% of the cases. The overall change in ER was statistically significant (P=0.020). For PR, 9.6% of the cases changed from positive to negative while none of the cases showed change from negative to positive. The overall change in PR was statistically significant (P=0.025). For HER2/Neu, 19.2% of the cases changed from positive to negative, and 11.5% of the cases changed from negative to positive. The overall change in HER2/Neu was not statistically significant (P=0.317). For Ki-67, 30% of patients changed from positive to negative while 11.5% of patients changed from negative to positive. The overall change in Ki-67 was statistically significant (P=0.024). Conclusion: There was discordance in the HR status and proliferation marker after NACT in patients with breast cancer. The administration of NACT might be the main reason for the change in receptor status thus understanding the chemotherapy-induced biological conversion in the tumor cell behavior is strategically important in planning adjuvant endocrine therapy and for disease follow-up. [ABSTRACT FROM AUTHOR]