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Nevin Manimala Statistics

Analysis of the unicentric registry of the Infarction Code program: retrospective cohort

Rev Med Inst Mex Seguro Soc. 2024 Jan 8;62(1):1-8. doi: 10.5281/zenodo.10278115.

ABSTRACT

BACKGROUND: Acute coronary syndrome (ACS) is the most serious manifestation of coronary heart disease. The Infarction Code (according to its initialism in Spanish, CI: Código Infarto) program aims to improve the care of these patients.

OBJECTIVE: To describe the clinical presentation and outcomes of CI program in a coronary care unit (CCU).

MATERIAL AND METHODS: A database of a CCU with 5 years of consecutive records was analyzed. Patients diagnosed with ACS were included. The groups with acute myocardial infarction with and without ST-segment elevation were compared using Student’s t, Mann-Whitney U and chi-squared tests. We calculated the relative risk (RR) and 95% confidence intervals (95% CI) of cardiovascular risk factors for mortality.

RESULTS: A total of 4678 subjects were analyzed, 78.7% men, mean age 63 years (± 10.7). 80.76% presented acute myocardial infarction with positive ST-segment elevation and fibrinolytic was granted in 60.8% of cases. Percutaneous coronary intervention was performed in 81.4% of patients, which was successful in 82.5% of events. Patients classified as CI presented mortality of 6.8% vs. 11.7%, p = 0.001. Invasive mechanical ventilation had an RR of 26.58 (95% CI: 20.61-34.3) and circulatory shock an RR of 20.86 (95% CI: 16.16-26.93).

CONCLUSIONS: The CI program decreased mortality by 4.9%. Early fibrinolysis and successful coronary angiography are protective factors for mortality within CCU.

PMID:39106526 | DOI:10.5281/zenodo.10278115

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Knowledge and quality of life in chronic kidney disease and peritoneal dialysis

Rev Med Inst Mex Seguro Soc. 2024 Jan 8;62(1):1-6. doi: 10.5281/zenodo.10278107.

ABSTRACT

BACKGROUND: Knowledge of one’s own chronic kidney disease (CKD) can improve long-term quality of life (QoL). Peritoneal dialysis presents with residual symptoms that reduce the QoL.

OBJECTIVE: To correlate knowledge of the disease and QoL in patients with CKD and on continuous ambulatory peritoneal dialysis (CAPD).

MATERIAL AND METHODS: A descriptive, cross-sectional, and prospective study was carried out in patients with CKD treated at a second-level hospital of the Mexican Institute for Social Security (Instituto Mexicano del Seguro Social) in Puebla. SF-36 and KiKS questionnaires were applied. Age, sex, education, marital status, perception of QoL, and level of knowledge were recorded. Descriptive statistics and Spearman’s coefficient were used.

RESULTS: 199 patients with CKD in CAPD were included, 62.8% women, minimum age range was 18 to 20 years with 4% and maximum of 61 years or more with 49.2%, 35.6% of patients completed primary school, and 65.3% were married. The most frequent comorbidity was diabetes (57.2%). The least affected QoL domain was pain. KiKS recorded a mean of 0.54 (regular knowledge about the disease). It was recorded a weak and significant correlation in the QoL domains: physical health, physical role, pain, general health, mental health (p ≤ 0.05).

CONCLUSIONS: There is a significant but weak correlation between the perception of QoL and the level of knowledge of the disease in CKD patients with CAPD.

PMID:39106524 | DOI:10.5281/zenodo.10278107

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Epidemiological, clinical, and biochemical characteristics of patients in the LUPUS-IMMex cohort

Rev Med Inst Mex Seguro Soc. 2024 Jan 8;62(1):1-6. doi: 10.5281/zenodo.10278103.

ABSTRACT

BACKGROUND: Systemic lupus erythematosus (SLE) is a chronic autoimmune disease that can affect multiple organs and body systems.

OBJECTIVE: To describe the sociodemographic, clinical, and biochemical characteristics of the Lupus-IMMS-Mexico (LUPUS-IMMex) patient cohort from a tertiary-level center.

MATERIAL AND METHODS: Observational descriptive study of 160 patients with diagnosis of SLE belonging to the aforementioned cohort. Various variables were analyzed at the time of diagnosis. For quantitative variables, normality tests were applied, followed by measures of central tendency and dispersion according to their distribution. For categorical variables, frequencies and percentages were calculated.

RESULTS: 81.87% of the patients were female, with a median age at diagnosis of 28 years. 18.12% had a family history of SLE, and concurrently with SLE, 32.50% had hypertension, and 11.25% had antiphospholipid syndrome. The most common clinical manifestation was joint involvement (68.12%), renal (49.37%) and hematological (43.75%) manifestations.

CONCLUSIONS: SLE affects millions globally. Lack of awareness leads to delayed diagnoses, suboptimal management, and diminished quality of life. After analyzing 160 patients with SLE, their clinical, socioeconomic, and therapeutic characteristics are largely like other cohorts, with differences attributable to ethnic and geographical influences. Informing patients about SLE and providing reliable resources are essential for self-care. Awareness promotes research, therapies, and enhances medical care and the lives of patients globally.

PMID:39106519 | DOI:10.5281/zenodo.10278103

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Nevin Manimala Statistics

Efficacy and safety of levilimab in the treatment of patients with rheumatoid arthritis

Ter Arkh. 2024 Jul 30;96(7):690-694. doi: 10.26442/00403660.2024.07.202907.

ABSTRACT

AIM: Evaluation in real clinical practice of the effectiveness and safety of levilimab therapy in patients with highly and moderately active rheumatoid arthritis (RA).

MATERIALS AND METHODS: A prospective observational study (6 months) involving 35 patients with RA (29 women and 6 men, mean age 53.17±13.2 years) who were treated at the Ochapovsky Regional Clinic Hospital of Krasnodar Region. All patients included in the study were prescribed the drug levilimab (Ilsira).

RESULTS: After 1 month of observation, there was a decrease in the clinical and laboratory activity of the process in the form of a decrease in the number of painful joints – 17.0 (14.0; 20.0) vs 8.0 (6.0; 10.0); p=0.000001, number of swollen joints – 3.0 (2.0; 4.0) vs 0.0 (0.0; 0.0); p=0.000002, reduction in pain intensity according to visual analog scale – 60.0 (60.0; 70.0) mm vs 30.0 (20.0; 40.0) mm (p=0.000001). Also, by the end of the first month of therapy, there was a decrease in clinical activity indices DAS28-ESR by 43%, SDAI by 60%, CDAI by 55%. Positive dynamics of laboratory parameters were noted – a decrease in erythrocyte sedimentation rate by 76%, a decrease in C-reactive protein level by 98%. By the 6th month of therapy, a decrease in RF by 36% and ACCP by 11% was recorded, but the dynamics of these indicators did not reach statistical significance. By the end of 4 weeks of treatment, 24 (68.6%) patients showed an increase in the level of total blood cholesterol – 5.1 (3.91; 6.0) mmol/L vs 6.1 (4.99; 7.07) mmol/L (p=0.000006), while 11 (45.8%) patients from this group had initially elevated cholesterol levels (6.4±0.6 mmol/L). In 5 (14.3%) patients, an increase in alanine aminotransferase (ALT) was recorded in the 4th week – 17.0 (11.0; 25.0) U/L vs 32.0 (22.0; 43.0) U/L (p=0.000062) and aspartate aminotransferase (AST) – 19.0 (14.0; 24.0) U/L vs 25.0 (18.0; 36.0) U/L (p=0.000171), in 1 (2.85%) of the patient, an increase in ALT and AST above normal was noted (ALT 144 U/L, AST 52 U/L), which required discontinuation of levilimab. In 2 (5.7%) patients, by the end of the 4th week a decrease in the absolute number of neutrophils was registered – 3.2 (2.6; 4.0)×10E9/L vs 2.3 (2.0; 2.5)×10E9/L (p=0.002), which did not require discontinuation of treatment, since the number of cells remained more than 1×10E9/L. During treatment with levilimab 162 mg subcutaneously once a week, the proportion of patients taking prednisolone decreased from 46% at the start of therapy to 11% at the end of 6 months of therapy.

CONCLUSION: Levilimab is a highly effective drug for the treatment of patients with highly and moderately active RA and has a favorable tolerability and safety profile.

PMID:39106512 | DOI:10.26442/00403660.2024.07.202907

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Chronic kidney disease and chronic heart failure: impact on prognosis and choice of pathogenetic therapy

Ter Arkh. 2024 Jul 30;96(7):666-674. doi: 10.26442/00403660.2024.07.202781.

ABSTRACT

AIM: To evaluate the impact of a decrease in glomerular filtration rate (GFR) on the prognosis of patients with chronic heart failure (CHF), to analyze real clinical practice regarding the frequency of prescribing pathogenetic therapy for CHF, achieving target dosages depending on the gradation of GFR in patients included in the CHF Register of the Tyumen region.

MATERIALS AND METHODS: The analysis included medical data of 4077 patients (1662 men and 2415 women) with NYHA class I-IV CHF who underwent examination and treatment in medical organizations of the Tyumen region for the period from January 2020 to May 2023. Criteria for inclusion in the register: proven heart failure. Chronic kidney disease (CKD) was assessed by GFR calculated using the CKD-EPI formula (ml/min/1.73 m2). The primary end point was defined as death from all causes.

RESULTS: GFR<60 ml/min/1.73 m2 was recorded in 34.6% of patients, more common in women (40.2 and 26.6%, respectively; p<0.001). When dividing patients into phenotypes according to LVEF, no statistically significant differences were found in the distribution of patients according to GFR. In patients with HFrEF and HFpEF GFR<45 ml/min/1.73 m2 was associated with an increased risk of meeting the endpoint. Analysis of prescribed pathogenetic therapy showed that in patients with HFrEF, the frequency of prescription of ACE inhibitors, â-blockers and MRA decreased (p=0.023, 006 and 0.01, respectively), and ARNI, on the contrary, increased with a decrease in GFR (p=0.026). In patients with HFpEF, a similar trend towards a decrease in the frequency of prescription of ACEIs and MCBs with a decrease in GFR (p<0.001) remained, but it was compensated by an inversely proportional increase in the frequency of prescription of ARBs (p<0.001). 100% of the target dosage is achieved in more than 90% of patients taking MRA across the entire LVEF range. While for â-blockers and ARNI/ACE/ARB the percentage of patients receiving the full therapeutic dosage of drugs is significantly lower. When analyzing target dosages of pathogenetic drugs, gradations of achieved doses were distributed evenly throughout the entire range of GFR.

CONCLUSION: GFR<60 ml/min/1.73 m2 occurs in every 3 patients with CHF across the entire range of LVEF. A decrease in GFR worsens the prognosis of patients with both HFrEF and HFpEF, increasing in direct proportion with the severity of the stage of CKD. Inclusion of patients in the monitoring program within the framework of the CHF service allows the treatment to be significantly brought closer to optimal drug therapy, at the same time, certain efforts are required to overcome difficulties with titration to target dosages.

PMID:39106509 | DOI:10.26442/00403660.2024.07.202781

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New medical technologies in cough therapy: results of a double-blind randomized placebo-controlled multicenter clinical trial

Ter Arkh. 2024 Jul 7;96(6):614-621. doi: 10.26442/00403660.2024.06.202804.

ABSTRACT

AIM: To study the efficacy and safety of Eladis® in comparison with placebo in patients with non-productive cough.

MATERIALS AND METHODS: A phase III clinical trial enrolled 250 patients aged 18-65 years with acute respiratory viral infection with upper respiratory tract involvement or acute bronchitis. Patients were randomized into 2 groups of 125 subjects: group 1 received Eladis® (40 mg tablets), group 2 received a matching placebo. The patients received the study drugs 1 tablet BID for 7-14 days. After the treatment, patients were followed up (day 7±2) to assess the effect of therapy on the frequency of coughing attacks, the frequency and severity of daytime and nocturnal cough, the severity of cough, the duration of clinical cough cure, and the effect on the severity of the main acute respiratory viral infection symptoms.

RESULTS AND CONCLUSION: The results of the study demonstrate the overall efficacy and statistically significant superiority of Eladis® over placebo: there were significant differences between the study groups in the proportion of patients who decreased the coughing attack frequency by ≥50% by day 5 (p<0.0001). In addition, the clinical cure of cough in the Eladis® group occurred 2 days earlier: the median time was 6 days, vs 8 days in placebo group. There was a decrease in the frequency of cough attacks and a decrease in its severity by more than 3.5 points by day 5 of treatment. All the effects were associated with high safety of the drug.

PMID:39106503 | DOI:10.26442/00403660.2024.06.202804

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Health-related quality of life in Mexican women with obesity

Rev Med Inst Mex Seguro Soc. 2024 Jan 8;62(1):1-8. doi: 10.5281/zenodo.10278099.

ABSTRACT

BACKGROUND: Obesity creates a burden of disease that affects the health-related quality of life (HRQoL) of women and in those between 20 to 59 years of age it implies greater morbidity and mortality compared to men or other age groups.

OBJECTIVE: To evaluate the HRQoL of Mexican women aged 20 to 59 years with obesity.

MATERIAL AND METHODS: Observational, cross-sectional, prospective, and retrospective study. It was obtained a sample of 104 women from 20 to 59 years of age diagnosed with obesity according to the NOM-008-SSA3-2017 Standard. The participants’ main clinical and sociodemographic characteristics were collected, and their HRQoL was evaluated with the SF-36 questionnaire. For the analysis of the collected variables, descriptive statistics were used. To identify the association of these variables with HRQoL, the Kruskal-Wallis test was used.

RESULTS: 104 women with a median age of 40.0 years participated. Of these, 66.3% had grade I obesity, 21.2% grade II, and 12.5% grade III. In the overall sample, general health and vitality were the lowest dimensions. In the comparison by groups, the physical role and the emotional role had statistically significant differences (p = 0.007 and p = 0.009, respectively), with the most affected group being obesity grade II.

CONCLUSIONS: Obesity mainly affected the perception of general health and vitality; likewise, those with grade II had a greater impact on the physical role and the emotional role.

PMID:39106487 | DOI:10.5281/zenodo.10278099

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Nevin Manimala Statistics

Identifying Medicine Shortages With the Twitter Social Network: Retrospective Observational Study

J Med Internet Res. 2024 Aug 6;26:e51317. doi: 10.2196/51317.

ABSTRACT

BACKGROUND: Early identification is critical for mitigating the impact of medicine shortages on patients. The internet, specifically social media, is an emerging source of health data.

OBJECTIVE: This study aimed to explore whether a routine analysis of data from the Twitter social network can detect signals of a medicine shortage and serve as an early warning system and, if so, for which medicines or patient groups.

METHODS: Medicine shortages between January 31 and December 1, 2019, were collected from the Dutch pharmacists’ society’s national catalog Royal Dutch Pharmacists Association (KNMP) Farmanco. Posts on these shortages were collected by searching for the name, the active pharmaceutical ingredient, or the first word of the brand name of the medicines in shortage. Posts were then selected based on relevant keywords that potentially indicated a shortage and the percentage of shortages with at least 1 post was calculated. The first posts per shortage were analyzed for their timing (median number of days, including the IQR) versus the national catalog, also stratified by disease and medicine characteristics. The content of the first post per shortage was analyzed descriptively for its reporting stakeholder and the nature of the post.

RESULTS: Of the 341 medicine shortages, 102 (29.9%) were mentioned on Twitter. Of these 102 shortages, 18 (5.3% of the total) were mentioned prior to or simultaneous to publication by KNMP Farmanco. Only 4 (1.2%) of these were mentioned on Twitter more than 14 days before. On average, posts were published with a median delay of 37 (IQR 7-81) days to publication by KNMP Farmanco. Shortages mentioned on Twitter affected a greater number of patients and lasted longer than those that were not mentioned. We could not conclusively relate either the presence or absence on Twitter to a disease area or route of administration of the medicine in shortage. The first posts on the 102 shortages were mainly published by patients (n=51, 50.0%) and health care professionals (n=46, 45.1%). We identified 8 categories of nature of content. Sharing personal experience (n=44, 43.1%) was the most common category.

CONCLUSIONS: The Twitter social network is not a suitable early warning system for medicine shortages. Twitter primarily echoes already-known information rather than spreads new information. However, Twitter or potentially any other social media platform provides the opportunity for future qualitative research in the increasingly important field of medicine shortages that investigates how a larger population of patients is affected by shortages.

PMID:39106483 | DOI:10.2196/51317

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Nevin Manimala Statistics

Artificial Intelligence Machine Learning Algorithms Versus Standard Linear Demographic Analysis in Predicting Implant Size of Anatomic and Reverse Total Shoulder Arthroplasty

J Am Acad Orthop Surg Glob Res Rev. 2024 Aug 1;8(8). doi: 10.5435/JAAOSGlobal-D-24-00182. eCollection 2024 Aug 1.

ABSTRACT

BACKGROUND: Accurate and precise templating is paramount for anatomic total shoulder arthroplasty (TSA) and reverse total shoulder arthroplasty (RSA) to enhance preoperative planning, streamline surgery, and improve implant positioning. We aimed to evaluate the predictive potential of readily available patient demographic data in TSA and RSA implant sizing, independent of implant design.

METHODS: A total of 578 consecutive, primary, noncemented shoulder arthroplasty cases were retrospectively reviewed. Demographic variables and implant characteristics were recorded. Multivariate linear regressions were conducted to predict implant sizes using patient demographic variables.

RESULTS: Linear models accurately predict TSA implant sizes within 2 millimeters of humerus stem sizes 75.3% of the time, head diameter 82.1%, head height 82.1%, and RSA glenosphere diameter 77.6% of the time. Linear models predict glenoid implant sizes accurately 68.2% and polyethylene thickness 76.6% of the time and within one size 100% and 95.7% of the time, respectively.

CONCLUSION: Linear models accurately predict shoulder arthroplasty implant sizes from demographic data. No significant statistical differences were observed between linear models and machine learning algorithms, although the analysis was underpowered. Future sufficiently powered studies are required for more robust assessment of machine learning models in predicting primary shoulder arthroplasty implant sizes based on patient demographics.

PMID:39106479 | DOI:10.5435/JAAOSGlobal-D-24-00182

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Evaluating VATS versus Open Surgery for Non-Small Cell Lung Cancer: A 5-year Retrospective Study

Chirurgia (Bucur). 2024 Aug;119(Ahead of print):1-11. doi: 10.21614/chirurgia.2999.

ABSTRACT

The efficacy and safety of video-assisted thoracoscopic surgery (VATS) versus open thoracotomy in the treatment of non-small cell lung cancer (NSCLC) were evaluated with a focus on mediastinal lymph node dissection, postoperative recovery, and longterm outcomes including survival rates and disease-free intervals. Materials and Methods: This retrospective study analyzed data from 228 NSCLC patients treated at the Institute of Oncology Bucharest from 2016 to 2022. Both VATS and open surgical approaches were compared, with variables including demographic data, comorbidities, surgical outcomes, and postoperative complications meticulously recorded. Statistical significance was assessed using chi-square and independent samples t-tests. Results: Among the findings, VATS demonstrated significantly better two-year progression-free survival rates for patients in early stages (Stages 1-3) of NSCLC compared to open surgery, with p-values 0.01 and 0.001, respectively. In contrast, no significant difference was observed in Stage 4. Furthermore, VATS resulted in shorter operative times (mean 299 vs. 347 minutes, p 0.001), less estimated blood loss (98.68 mL vs. 160.88 mL, p 0.001), reduced chest tube duration (5.78 days vs. 12.17 days, p 0.001), and decreased hospital stays (12.0 days vs. 27.7 days, p 0.001). Conclusions: VATS is associated with improved long-term disease-free survival for early-stage NSCLC and more favorable short-term surgical outcomes, highlighting its advantages over open thoracotomy. Despite its benefits, VATS did not significantly reduce postoperative complications compared to open surgery.

PMID:39106471 | DOI:10.21614/chirurgia.2999