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The History of Medicine on Postage Stamps The Invention of the Cobalt 60 Machine for External Beam Radiation Therapy for Cancer. 邮票上的医学史 用于癌症体外放射治疗的钴 60 机器的发明。
The American journal of the medical sciences Pub Date : 2024-11-18 DOI: 10.1016/j.amjms.2024.11.005
Edward C Halperin
{"title":"The History of Medicine on Postage Stamps The Invention of the Cobalt 60 Machine for External Beam Radiation Therapy for Cancer.","authors":"Edward C Halperin","doi":"10.1016/j.amjms.2024.11.005","DOIUrl":"https://doi.org/10.1016/j.amjms.2024.11.005","url":null,"abstract":"","PeriodicalId":94223,"journal":{"name":"The American journal of the medical sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142684009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Urinary Dickkopf-3 as a Predictor for Postoperative Acute Kidney Injury in the Intensive Care Unit. 尿液 Dickkopf-3 作为重症监护病房术后急性肾损伤的预测因子。
The American journal of the medical sciences Pub Date : 2024-11-17 DOI: 10.1016/j.amjms.2024.11.003
Yao Sun, Zengli Xiao, Huiying Zhao, Youzhong An
{"title":"Urinary Dickkopf-3 as a Predictor for Postoperative Acute Kidney Injury in the Intensive Care Unit.","authors":"Yao Sun, Zengli Xiao, Huiying Zhao, Youzhong An","doi":"10.1016/j.amjms.2024.11.003","DOIUrl":"https://doi.org/10.1016/j.amjms.2024.11.003","url":null,"abstract":"<p><strong>Background: </strong>As a life-threatening complication in patients undergoing surgery, acute kidney injury (AKI) is strongly associated with a worse prognosis. Urinary dickkopf-related protein 3 (DKK3) has been identified as a biomarker for predicting postoperative AKI in patients undergoing cardiac surgery.</p><p><strong>Objective: </strong>To investigate the predictive value of urinary DKK3 on postoperative AKI and develop a clinical model based on the predictor for predicting the development of AKI within seven days for patients undergoing noncardiac surgery.</p><p><strong>Methods: </strong>All patients who were admitted to the Intensive Care Unit (ICU) after noncardiac surgery from March 2023 to June 2023 were included in this study. The patients' baseline data on demographic characteristics, lifestyle risk factors, medical history, clinical features, and laboratory tests before surgery were collected at the time of admission. Besides, the blood samples for cystatin C and routine laboratory tests and the urine samples for DKK3 tests were simultaneously collected at the time of admission to the ICU. In addition, the independent predictors of postoperative AKI were identified by univariate, multivariate, and LASSO analyses. Moreover, a nomogram for predicting postoperative AKI was developed based on these independent predictors. Finally, the nomogram was evaluated through calibration and decision curve analyses.</p><p><strong>Results: </strong>A total of 166 patients with a median age of 67 years old were included in this study, including 94 (56.63%) males. Among these patients, 47 patients (28.3%) developed postoperative AKI. Additionally, 7 independent risk factors, including preoperative serum creatinine, preoperative eGFR, preoperative serum albumin, preoperative serum potassium ion, cystatin C, uDKK3/uCr, and SOFA score, were selected by univariate and multivariate regression analyses. Eventually, 4 independent risk factors (including preoperative eGFR, cystatin C, uDKK3/uCr, and SOFA score) identified in this study by LASSO analyses were used to establish the nomogram. The area under the receiver operating characteristic (ROC) curve (AUC) for the prediction model was 0.868. The calibration curve and decision curve analysis results demonstrated that the nomogram had good prediction performance.</p><p><strong>Conclusions: </strong>Urinary DKK3/creatinine was independently associated with postoperative AKI for patients in the ICU after noncardiac surgery. The nomogram constructed based on uDKK3/uCr, preoperative eGFR, cystatin C, and SOFA score showed a higher accuracy in predicting postoperative AKI.</p>","PeriodicalId":94223,"journal":{"name":"The American journal of the medical sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142678146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dyspnea, dysfunctional breathing disorders, and the Bayesian brain hypothesis. 呼吸困难、呼吸功能障碍和贝叶斯大脑假说。
The American journal of the medical sciences Pub Date : 2024-11-16 DOI: 10.1016/j.amjms.2024.11.006
Gilbert Berdine, Kenneth Nugent
{"title":"Dyspnea, dysfunctional breathing disorders, and the Bayesian brain hypothesis.","authors":"Gilbert Berdine, Kenneth Nugent","doi":"10.1016/j.amjms.2024.11.006","DOIUrl":"10.1016/j.amjms.2024.11.006","url":null,"abstract":"<p><p>Clinicians frequently evaluate patients who present with dyspnea. This term describes uncomfortable breathing during physical activity, and the intensity or degree of dyspnea can vary in an individual depending on circumstances and between individuals. In some cases, the level of dyspnea appears out of proportion to other information relevant to the cardiorespiratory system, and this situation has been described as dysfunctional breathing. The Bayesian brain hypothesis helps clinicians understand this symptom in these patients. This hypothesis suggests that prior experiences with dyspnea during physical activity or a respiratory disorder provide the background that is used to interpret current symptoms. This review outlines problems associated with the use of the term \"dyspnea\" and briefly describes how the Bayesian brain hypothesis might help clinicians understand this symptom better.</p>","PeriodicalId":94223,"journal":{"name":"The American journal of the medical sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142669817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cardiovascular Diseases-Related Mortality among Adults with Comorbid Chronic Obstructive Pulmonary Disease in the United States. 美国患有慢性阻塞性肺病的成年人与心血管疾病相关的死亡率。
The American journal of the medical sciences Pub Date : 2024-11-08 DOI: 10.1016/j.amjms.2024.11.002
Usama Qamar, Shrihari Nagarajan, Siddharth Agarwal
{"title":"Cardiovascular Diseases-Related Mortality among Adults with Comorbid Chronic Obstructive Pulmonary Disease in the United States.","authors":"Usama Qamar, Shrihari Nagarajan, Siddharth Agarwal","doi":"10.1016/j.amjms.2024.11.002","DOIUrl":"https://doi.org/10.1016/j.amjms.2024.11.002","url":null,"abstract":"","PeriodicalId":94223,"journal":{"name":"The American journal of the medical sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142635351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Outcomes Following Acute Kidney Injury Requiring Dialysis: A Cohort Study. 需要透析的急性肾损伤后的预后:队列研究
The American journal of the medical sciences Pub Date : 2024-11-08 DOI: 10.1016/j.amjms.2024.11.001
Jose E Navarrete, Javier A Neyra, Jason Cobb
{"title":"Outcomes Following Acute Kidney Injury Requiring Dialysis: A Cohort Study.","authors":"Jose E Navarrete, Javier A Neyra, Jason Cobb","doi":"10.1016/j.amjms.2024.11.001","DOIUrl":"https://doi.org/10.1016/j.amjms.2024.11.001","url":null,"abstract":"<p><strong>Objective: </strong>Retrospective study to examine the outcomes of acute kidney injury requiring dialysis (AKI-D) patients that received outpatient hemodialysis as part of continued AKI-D care and explore factors associated with recovery of kidney function and discontinuation of dialysis.</p><p><strong>Methods: </strong>Records of all admissions to Emory Dialysis centers between January 2010 to December 2021 were reviewed to include patients with confirmed diagnosis of AKI-D. Basic demographics, comorbidities, duration of hospitalization and cause of AKI were extracted from hospital records and cross-referenced with the dialysis center electronic health record. Patients were followed starting from the day of the first outpatient hemodialysis up to 180 days. All hemodialysis sessions and laboratory data were analyzed. Logistic regression models were used to examine factors associated with recovery of kidney function, defined as survival free of dialysis.</p><p><strong>Results: </strong>132 patients were analyzed, corresponding to 12,662 patient-day of outpatient AKI-D care. Among those, 19 (14%) patients died during the observation period. 54% of patients were male and 70% were Black. Median Age was 64 years (IQR 49-79). 42 patients (32%) recovered enough kidney function to discontinue dialysis. Median time to kidney recovery was 31 days (IQR: 19-75), and the cumulative probability of kidney recovery at 6 months was 39%. Patients who discontinued dialysis were younger (58 vs 66 years), had higher estimated glomerular filtration rate (eGFR) at time of admission (69 vs 46 ml/min/1.73m<sup>2</sup>) to the hospital, and were less likely to have a history of hypertension (61% vs 82%). Intra-dialytic hypotension was more common in patients who did not recover kidney function.</p><p><strong>Conclusions: </strong>39% of patients with AKI-D recovered kidney function within 180 days of outpatient HD start. The median time to recovery was 31 days. Younger age, higher e-GFR at time of hospital admission, and absence of hypertension were predictors of kidney recovery. Patients who recover kidney function experienced episodes of intradialytic hypotension less frequently.</p>","PeriodicalId":94223,"journal":{"name":"The American journal of the medical sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142635361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimizing treatment outcomes in acute-on-chronic liver failure: the role of T2candida panel in detecting invasive candidiasis. 优化急性慢性肝衰竭患者的治疗效果:T2candida panel 在检测侵袭性念珠菌病中的作用。
The American journal of the medical sciences Pub Date : 2024-11-05 DOI: 10.1016/j.amjms.2024.10.009
P Patel, A Lodh, M Beasley, U Gupta, N Forrister, Y Hegazy, C Evers, S Xie, M Shoreibah
{"title":"Optimizing treatment outcomes in acute-on-chronic liver failure: the role of T2candida panel in detecting invasive candidiasis.","authors":"P Patel, A Lodh, M Beasley, U Gupta, N Forrister, Y Hegazy, C Evers, S Xie, M Shoreibah","doi":"10.1016/j.amjms.2024.10.009","DOIUrl":"https://doi.org/10.1016/j.amjms.2024.10.009","url":null,"abstract":"<p><strong>Introduction: </strong>Acute-on-Chronic Liver Failure(ACLF) is a syndrome characterized by organ dysfunction and high mortality in cirrhotic patients. ACLF has multiple triggers but those precipitated by fungal infection have higher mortality. Early detection and treatment of candidemia have shown mortality benefits in ACLF. The sensitivity of blood cultures ranged from 21% - 71%. Given the increase in mortality, it is vital to have a quick yet reliable diagnostic test for the detection of candida. This study examines the risk of developing ACLF and its impact on survival in hospitalized cirrhotic patients with invasive fungal infection via a positive T2Candida Panel. We also examine the effects of earlier treatment on mortality in those with a positive T2Candida Panel.</p><p><strong>Methods: </strong>We performed a retrospective study and included cirrhotic patients admitted from 2017-2021. Data collected includes baseline characteristics, labs, progression to ACLF, and mortality outcomes. The stages of ACLF were determined through the use of the CLIF-Consortium ACLF score.</p><p><strong>Results: </strong>Of the 489 patients sampled, 95 patients developed ACLF during the time of the T2 panel collection, of which 60 (63.2%) (p≤0.001) patients had a positive T2Candida Panel. The data also demonstrates that patients who had earlier antifungal initiation had a decrease in mortality (6.15 ± 5.23 versus 13.53 ± 11.42)(p≤001).</p><p><strong>Conclusion: </strong>Our study shows that a positive T2 Panel leads to more frequent progression of ACLF and worsening survival outcomes. This study shows that earlier treatment of candidiasis via the T2 Panel leads to mortality benefits.</p>","PeriodicalId":94223,"journal":{"name":"The American journal of the medical sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142607861","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Utility of arterial to end-tidal carbon dioxide gradient as a severity index in critical care. 动脉与潮气末二氧化碳梯度作为重症监护严重程度指数的实用性。
The American journal of the medical sciences Pub Date : 2024-10-30 DOI: 10.1016/j.amjms.2024.10.007
Kyung Sook Hong, Jae Gil Lee, Tae Yoon Kim, Jae-Myeong Lee, Hoonsung Park, Hanyoung Lee, Na Rae Yang, Seung Min Baik
{"title":"Utility of arterial to end-tidal carbon dioxide gradient as a severity index in critical care.","authors":"Kyung Sook Hong, Jae Gil Lee, Tae Yoon Kim, Jae-Myeong Lee, Hoonsung Park, Hanyoung Lee, Na Rae Yang, Seung Min Baik","doi":"10.1016/j.amjms.2024.10.007","DOIUrl":"10.1016/j.amjms.2024.10.007","url":null,"abstract":"<p><strong>Background: </strong>The arterial to end-tidal carbon dioxide gradient (P [a-Et] CO<sub>2</sub>) reveals the ventilation-perfusion (V/Q) status of critically ill patients. V/Q mismatch has several causes and affects the clinical outcomes of critically ill patients. We investigated the relationship between P (a-Et) CO<sub>2</sub> and the clinical outcomes in critically ill patients.</p><p><strong>Methods: </strong>Critically ill patients (n = 1,978) on mechanical ventilation and capnography in the intensive care units of two institutions were enrolled and categorized into three groups: P (a-Et) CO<sub>2</sub> ≤10 mmHg (low group), 10 mmHg < P (a-Et) CO<sub>2</sub> ≤ 20 mmHg (medium group), and 20 mmHg < P (a-Et) CO<sub>2</sub> (high group).</p><p><strong>Results: </strong>The Acute Physiology and Chronic Health Evaluation II score was 29.5 ± 8.1, 31.3 ± 8.2, and 33.3 ± 8.7 in the low, medium, and high groups, respectively (p < 0.001). Overall mortality rates were 25.5 %, 35.6 %, and 52.8 % in the low, medium, and high groups, respectively (p < 0.001). The odds ratio was 1.456 (95 % confidence interval [CI]: 1.117-1.897, p = 0.002) and 2.320 (95 % CI: 1.635-3.293, p < 0.001) for the medium and high groups, respectively, with the low group as a reference. The area under the receiver operating characteristic curve of P (a-Et) CO<sub>2</sub> for overall mortality was 0.604 (p < 0.001).</p><p><strong>Conclusions: </strong>P (a-Et) CO<sub>2</sub> is a simple, easily accessible indicator that potentially impacts patient care and outcomes as an independent marker for assessing disease severity and predicting mortality, especially in non-respiratory critical care scenarios.</p>","PeriodicalId":94223,"journal":{"name":"The American journal of the medical sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142559916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Challenges in multimodal chronic pain management in primary care settings. 基层医疗机构多模式慢性疼痛管理面临的挑战。
The American journal of the medical sciences Pub Date : 2024-10-29 DOI: 10.1016/j.amjms.2024.10.004
Olivia Tincher, Mahmoud Abdelnabi, Neha Mittal
{"title":"Challenges in multimodal chronic pain management in primary care settings.","authors":"Olivia Tincher, Mahmoud Abdelnabi, Neha Mittal","doi":"10.1016/j.amjms.2024.10.004","DOIUrl":"10.1016/j.amjms.2024.10.004","url":null,"abstract":"","PeriodicalId":94223,"journal":{"name":"The American journal of the medical sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142559914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Racial disparities exist in utilization of catheter ablation for atrial fibrillation in the United States. 美国使用导管消融治疗心房颤动存在种族差异。
The American journal of the medical sciences Pub Date : 2024-10-29 DOI: 10.1016/j.amjms.2024.10.010
Muhammad Ali Tariq, Minhail Khalid Malik, Aeman Asrar
{"title":"Racial disparities exist in utilization of catheter ablation for atrial fibrillation in the United States.","authors":"Muhammad Ali Tariq, Minhail Khalid Malik, Aeman Asrar","doi":"10.1016/j.amjms.2024.10.010","DOIUrl":"10.1016/j.amjms.2024.10.010","url":null,"abstract":"","PeriodicalId":94223,"journal":{"name":"The American journal of the medical sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142559915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Carcinoma Erysipeloides, A Case-report and Review of the Sixty-nine Cases in the Literature. 红斑癌,病例报告和文献中 69 个病例的回顾。
The American journal of the medical sciences Pub Date : 2024-10-23 DOI: 10.1016/j.amjms.2024.10.008
İmdat Eroğlu, Aytuğ Uner, Fatih Gurler, Ozan Yazıcı, Ahmet Ozet, Nuriye Ozdemir
{"title":"Carcinoma Erysipeloides, A Case-report and Review of the Sixty-nine Cases in the Literature.","authors":"İmdat Eroğlu, Aytuğ Uner, Fatih Gurler, Ozan Yazıcı, Ahmet Ozet, Nuriye Ozdemir","doi":"10.1016/j.amjms.2024.10.008","DOIUrl":"https://doi.org/10.1016/j.amjms.2024.10.008","url":null,"abstract":"<p><strong>Background: </strong>Carcinoma erysipeloides (CE) is a rare form of cutaneous metastasis appearing similar to erysipelas or cellulitis. Due to its rarity, little is known about CE.</p><p><strong>Method: </strong>We here initially reported a case of CE secondary to rectal carcinoma and then reviewed the literature and analyzed the basic characteristics of the cases reported previously.</p><p><strong>Results: </strong>Sixty-nine patients(including our case) with CE were identified. The mean age of diagnosis with CE was 60±15 yr(min:25 yr, max:91 yr), and 69.6% of the patients were female. Breast cancer, skin cancer, and gastroesophageal cancer were the three most commonly seen malignancies presented with CE(52.2 %, 11.6 %, and 10.1 %, respectively). Adenocarcinoma(81.2 %) was the primary histological subtype of the cases. While CE was the first presentation of the disease in 20.3% of patients, it was associated with recurrence or disease progression in 69.7 %. The median time from the first presentation of the disease to the diagnosis of CE was two years. More than half of the patients(55.1 %) have received local dermatological treatment with another differential diagnosis before diagnosis of CE. Only 21.7 % of the patients responded to the treatment, and median survival after diagnosis of CE was 4 months(min:0 mo, max:24 mo).</p><p><strong>Conclusion: </strong>CE has a poor prognosis and is most common in individuals with breast cancer and adenocarcinoma. Patients generally receive local dermatological treatments with different diagnoses. CE should be considered in the differential diagnosis, especially in the presence of erysipelas/cellulitis-like lesions in patients with a history of malignancy or who do not respond to local treatments.</p>","PeriodicalId":94223,"journal":{"name":"The American journal of the medical sciences","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142515661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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