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Hata S, Mori H, Yasuda T, Irie Y, Yamamoto T, Umayahara Y, Ryomoto K, Yoshiuchi K, Yoshida S, Shimomura I, Kuroda A, Matsuhisa M. A low serum IGF-1 is correlated with sarcopenia in subjects with type 1 diabetes mellitus: Findings from a post-hoc analysis of the iDIAMOND study. Diabetes Res Clin Pract 2021; 179:108998. [PMID: 34390761 DOI: 10.1016/j.diabres.2021.108998] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 08/03/2021] [Accepted: 08/06/2021] [Indexed: 01/16/2023]
Abstract
AIM Our previous study revealed that sarcopenia was frequently observed in subjects with type 1 diabetes mellitus (T1DM). However, the factors associated with sarcopenia that are related to T1DM have not yet been clarified. Insulin-like growth factor-1 (IGF-1) has been shown to play a role in skeletal muscle growth, differentiation, and regeneration. The present study, therefore, investigated the association between the serum IGF-1 level and sarcopenia and low skeletal muscle mass in subjects with T1DM. METHODS This cross-sectional study enrolled subjects with T1DM (n = 168) and without diabetes (n = 59) who had had their clinical data on serum IGF-1 collected in the iDIAMOND study. RESULTS The z-score of serum IGF-1 was significantly lower in the subjects with T1DM than that in those without diabetes (p < 0.001). Among subjects with T1DM, the z-score of serum IGF-1 was significantly lower in sarcopenic subjects than in non-sarcopenic subjects. The multivariable logistic regression analysis showed that the serum IGF-1 z-score was an independent determinant of sarcopenia and a low skeletal muscle mass index, but not low grip strength nor slow gait speed in subjects with T1DM. CONCLUSIONS A low serum IGF-1 level is correlated with sarcopenia and low skeletal muscle mass in subjects with T1DM.
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Wang P, Liu Q, Chen X, Liu X, Li Y. The negative association between skeletal muscle and fat mass wasting caused by oesophagectomy in patients with oesophageal squamous cell carcinoma. Eur J Cardiothorac Surg 2021; 61:259-266. [PMID: 34392342 DOI: 10.1093/ejcts/ezab377] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 06/26/2021] [Accepted: 07/14/2021] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVES This prospective observational study aimed to investigate postoperative skeletal muscle and fat mass wasting and their clinical significance in oesophageal cancer patients undergoing minimally invasive McKeown oesophagectomy. METHODS Bioelectrical impedance analyses of body compositions were conducted before surgery and 1, 4 and 12 weeks after surgery. Curve-fitting analysis was used to describe the relationship between changes in the skeletal muscle mass index (ΔSMI) and fat mass index (ΔFMI). A logistic regression-based nomogram was established using the R tool. RESULTS Among the 78 patients, 74.4% were male, and the mean age was 64.8 [standard deviation (SD): 6.6] years. Decreased SMIs and FMIs were concentrated in the first 4 weeks after surgery, with proportions of -3.42% (SD: 4.58) and -17.7% (SD: 11.9), respectively. A negative relationship between ΔFMI and ΔSMI was detected by linear regression (coefficient -0.341, P < 0.001). Based on the median ΔSMI to ΔFMI ratio (35.5%), 2 postoperative weight loss types were defined: SMI-dominated (SMDT) and FMI-dominated (FMDT) types. SMDT patients reported increased feeding-related problems, poorer functional status and more unhealthy symptoms than FMDT patients within 12 weeks after surgery. SMDT patients also showed poorer 2-year overall survival (71.1% vs 87.3%, P = 0.021) and disease-free survival (60.5% vs 84.9%, P = 0.032) than FMDT patients. A nomogram based on baseline and perioperative parameters was established to quantify postoperative SMDT and FMDT tendencies with good accuracy (C-index: 0.897). CONCLUSIONS The negative relationship between ΔFMI and ΔSMI indicated differentiated metabolism post-oesophagectomy. SMDT was associated with adverse therapeutic outcomes and warranted aggressive interventions. CLINICAL REGISTRATION NUMBER The study protocol was registered at the Chinese Clinical Trial Registry with the registration number ChiCTR1800018511.
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van Rees JM, Hartman W, Nuyttens JJME, Oomen-de Hoop E, van Vugt JLA, Rothbarth J, Verhoef C, van Meerten E. Relation between body composition and severe diarrhea in patients treated with preoperative chemoradiation with capecitabine for rectal cancer: a single-centre cohort study. BMC Gastroenterol 2021; 21:313. [PMID: 34348673 PMCID: PMC8336279 DOI: 10.1186/s12876-021-01886-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 07/22/2021] [Indexed: 12/15/2022] Open
Abstract
Background Chemoradiation with capecitabine followed by surgery is standard care for locally advanced rectal cancer (LARC). Severe diarrhea is considered a dose-limiting toxicity of adding capecitabine to radiation therapy. The aim of this study was to describe the risk factors and the impact of body composition on severe diarrhea in patients with LARC during preoperative chemoradiation with capecitabine.
Methods A single centre retrospective cohort study was conducted in a tertiary referral centre. All patients treated with preoperative chemoradiation with capecitabine for LARC from 2009 to 2015 were included. Patients with locally recurrent rectal cancer who received chemoradiation for the first time were included as well. Logistic regression analyses were performed to identify risk factors for severe diarrhea.
Results A total of 746 patients were included. Median age was 64 years (interquartile range 57–71) and 477 patients (64%) were male. All patients received a radiation dosage of 25 × 2 Gy during a period of five weeks with either concomitant capecitabine administered on radiation days or continuously during radiotherapy. In this cohort 70 patients (9%) developed severe diarrhea. In multivariable logistic regression analyses female sex (OR: 4.42, 95% CI 2.54–7.91) and age ≥ 65 (OR: 3.25, 95% CI 1.85–5.87) were the only risk factors for severe diarrhea. Conclusions Female patients and patients aged sixty-five or older had an increased risk of developing severe diarrhea during preoperative chemoradiation therapy with capecitabine. No relation was found between body composition and severe diarrhea.
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Rinninella E, Cintoni M, Raoul P, Ponziani FR, Pompili M, Pozzo C, Strippoli A, Bria E, Tortora G, Gasbarrini A, Mele MC. Prognostic value of skeletal muscle mass during tyrosine kinase inhibitor (TKI) therapy in cancer patients: a systematic review and meta-analysis. Intern Emerg Med 2021; 16:1341-1356. [PMID: 33337518 PMCID: PMC8310498 DOI: 10.1007/s11739-020-02589-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 11/25/2020] [Indexed: 12/11/2022]
Abstract
Low muscle mass has been associated with worse clinical outcomes in various cancers. This work investigated whether, during tyrosine kinases inhibitors (TKIs) therapy, low muscle mass was associated with treatment toxicity and survival outcomes. A systematic literature search was performed in Pubmed, Web of Science, and Scopus databases from inception to June 2020, based on fixed inclusion and exclusion criteria. Effect sizes were estimated with hazard ratios (HR) and odds ratios (OR) with 95% confidence interval (CI) and heterogeneity was assessed by measuring inconsistency (I2) based on the Chi squared test. A total of 24 retrospective studies were identified, enrolling patients treated with sorafenib (n = 12), sunitinib (n = 6), lenvatinib (n = 3), regorafenib (n = 2), gefitinib (n = 1), imatinib (n = 1), and pazopanib (n = 1). Thirteen studies were deemed eligible for pooled analyses. Meta-analyses found a significant effect of low muscle mass on dose-limiting toxicity (DLT) (OR 2.40, 95% CI 1.26-4.58, p = 0.008, I2 = 51%) in patients treated with TKI therapy. A subgroup analysis by treatment showed an association between DLT and low muscle during sorafenib or sunitinib, although not significant. A significant association between low skeletal muscle index and poorer overall survival was observed in HCC patients treated with sorafenib (HR 1.45, 95% CI 1.07-1.96, p = 0.02). For other TKIs, although some results showed an association between low muscle mass and worse outcomes, the number of studies for each TKI therapy was too small to reach conclusions. Skeletal muscle mass could influence the prognosis of some TKI-treated patients. This effect is demonstrated in sorafenib-treated HCC patients but remains almost unexplored in other cancer patients undergoing TKI therapy. Further prospective studies with large sample size and sufficient follow-up are needed to clarify the role of muscle mass in the metabolism of TKI-based cancer treatment, and its association with toxicity and survival.
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van Heusden HC, Swartz JE, Chargi N, de Jong PA, van Baal MCPM, Wegner I, de Bree R. Feasibility of assessment of skeletal muscle mass on a single cross-sectional image at the level of the fourth thoracic vertebra. Eur J Radiol 2021; 142:109879. [PMID: 34343845 DOI: 10.1016/j.ejrad.2021.109879] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 06/18/2021] [Accepted: 07/22/2021] [Indexed: 12/30/2022]
Abstract
BACKGROUND Skeletal muscle mass (SMM) determined on computed tomography (CT) is emerging as a novel imaging biomarker. Cross-sectional area (CSA) of SMM at the level of the third lumbar vertebra (L3) on abdominal imaging is considered the clinical reference standard for measuring SMM. In certain patient groups, such as those with oncological or non-oncological lung disease like COVID-19, a chest CT may be available while an abdominal CT is not. The purpose of this study was to investigate whether determining SMM on a chest CT is a feasible alternative to abdominal CT. RESEARCH QUESTION What is the correlation between SMM measurements at the level of L3 and the level of the fourth thoracic vertebra (Th4)? STUDY DESIGN AND METHODS In this study we retrospectively analyzed abdominal and thoracic series of whole-body CT-scans of trauma patients (N = 47) and head and neck cancer patients (N = 194). All abdominal muscles were delineated on a single axial slice at the level of L3. The erector spinae, levator scapulae, rhomboideus minor and major and pectoralis minor and major muscles were delineated on a single axial slice at the level of Th4. CSA of the muscles at Th4 and the L3 level were compared using linear regression, and a multivariate linear regression model was established. RESULTS Muscle CSA at level Th4 strongly correlates with L3 muscle CSA (r = 0.791, p < 0.05). A multivariate model incorporating the patient characteristics arm positioning, age, sex, and weight achieved a stronger correlation (r = 0.856, p < 0.05). INTERPRETATION Skeletal muscle CSA measured at the level of Th4 is a feasible alternative to measurements at L3. This allows diagnosing low SMM using clinically available thoracic CT-scans. SMM measurements at the level of Th4 may become a prognostic or triage tool when faced with mechanical ventilator shortage.
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Ueshima J, Maeda K, Shimizu A, Inoue T, Murotani K, Mori N, Satake S, Matsui Y, Arai H. Diagnostic accuracy of sarcopenia by "possible sarcopenia" premiered by the Asian Working Group for Sarcopenia 2019 definition. Arch Gerontol Geriatr 2021; 97:104484. [PMID: 34298259 DOI: 10.1016/j.archger.2021.104484] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/07/2021] [Accepted: 07/08/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE The Asian Working Group for Sarcopenia 2019 (AWGS 2019) proposed a simple assessment of sarcopenia called "possible sarcopenia" for the purpose of early detection and intervention of sarcopenia. The purpose of this study was to report the accuracy of possible sarcopenia against definitive sarcopenia and the characteristics of false-negative cases. MATERIALS AND METHODS This was a cross-sectional study using a research registry with outpatients aged ≥65 years who visited a frailty clinic at a geriatric hospital. The diagnosis of possible sarcopenia and sarcopenia was performed according to the AWGS 2019 criteria, using calf circumference (CC) for case-finding. The accuracy of the diagnosis of sarcopenia in participants with possible sarcopenia was evaluated by calculating sensitivity, specificity, and F-value. RESULTS Of the 349 patients (mean age, 78.0±6.0 years; 63% women) analyzed, 86 (24.6%) revealed possible sarcopenia. Possible sarcopenia predicted sarcopenia with a sensitivity of 0.893 and 0.921, specificity of 0.990 and 0.870, and F-values of 0.926 and 0.714 for men and women, respectively. When either the grip strength test or 5-time chair stand test result was examined, the sensitivity of possible sarcopenia to predict sarcopenia decreased, whereas the specificity remained at 0.990-1.000 in men and 0.890-0.940 in women. An extremely decreased CC was identified as a significant characteristic of patients with sarcopenia not detected in the simplified assessment. CONCLUSIONS The diagnostic accuracy of possible sarcopenia for definitive sarcopenia is excellent. Sarcopenia should be actively examined in patients with extremely decreased CC.
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Phase angle as a marker for muscle abnormalities and function in patients with colorectal cancer. Clin Nutr 2021; 40:4799-4806. [PMID: 34271241 DOI: 10.1016/j.clnu.2021.06.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 05/24/2021] [Accepted: 06/09/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND AND AIMS Considering the applicability of phase angle (PhA) as a marker of muscle mass and function, we aimed to investigate whether PhA is a predictor of muscle abnormalities and function in patients with cancer. METHODS In a sample of patients with colorectal cancer (CRC), PhA was obtained from measurements of resistance and reactance from bioelectrical impedance analysis. Computerized tomography imaging at the third lumbar vertebra was used to evaluate muscle abnormalities by quantifying skeletal muscle index (SMI) and skeletal muscle radiodensity (SMD). Muscle function was assessed by handgrip strength (HGS) and gait speed (GS). RESULTS This cross-sectional study included 190 participants (X±SD), mean age 60.5 ± 11.3 years; 57% men; 78% had cancer stages III to IV. PhA was highly correlated with SMI (r = 0.70) and moderately correlated with HGS (r = 0.54). PhA explained 48% of the SMI variability (R2 = 0.485), 21% of the SMD variability (R2 = 0.214), 26% of HGS (R2 = 0.261) and 9.8% of GS (R2 = 0.098). In the multivariate model adjusted for age, sex, body mass index, performance status, comorbidities and cancer stage, 1-degree decrease in PhA was associated with low SMI (Odds Ratio (OR) = 6.56, 95% CI: 2.90-14.86) and with low SMI and HGS combined (OR = 11.10, 95% CI: 2.61-47.25). In addition, Receiving Operating Characteristics curve analysis showed that PhA had a good diagnostic accuracy for detecting low SMI, low SMI and SMD combined, low SMD and HGS and low SMI and HGS combined (AUC = 0.81, 95% CI: 0.74-0.88; AUC = 0.88, 95% CI: 0.81-0.95; AUC = 0.80, 95% CI: 0.70-0.91; AUC = 0.82, 95% CI: 0.74-0.89; respectively). CONCLUSIONS PhA was a predictor of muscle abnormalities and function and had a good diagnostic accuracy for detecting low muscle mass, low muscle mass and radiodensity, low muscle radiodensity and strength, and low muscle mass and strength in patients with CRC.
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Sato M, Morishita T, Katayama T, Satomura S, Okuno H, Sumida N, Sakuma M, Arai H, Katoh S, Sairyo K, Kawaura A, Takeda E. Relationship between age-related decreases in serum 25-hydroxyvitamin D levels and skeletal muscle mass in Japanese women. THE JOURNAL OF MEDICAL INVESTIGATION 2021; 67:151-157. [PMID: 32378599 DOI: 10.2152/jmi.67.151] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
A clearer understanding of skeletal muscle mass (SMM) in middle-aged and elderly individuals is important for maintaining functionality. In the present study, age-related changes in SMM, the threshold of SMM with walking difficulty, intestinal nutrient absorption rate, and various serum factors were examined in Japanese populations of different ages. We used 24-h creatinine excretion as a measure of total body SMM. Age-related decreases in SMM, intestinal nutrient absorption rates, and serum 25-hydroxyvitamin D [25(OH)D] concentrations were significantly higher in women than in men. The cut-off values for SMM (kg), its percentage of total body weight (BW), the SMM index [SMMI] (Kg / m2), and creatinine height index (CHI) (%) in elderly individuals with walking difficulty were approximately 8-10 kg, 17-20% of BW, 3.9-4.6 kg / m2, and 44%, respectively. Serum 25(OH)D concentrations were closely associated with SMM (kg, % of BW, kg / m2) and CHI (%) as well as the intestinal absorption rates of nitrogen (%) and phosphorus (%) in women, but not in men. The present results demonstrate that vitamin D is an important metabolic factor in skeletal muscle, and contributes to the optimal management of skeletal muscle and the prevention of sarcopenia. J. Med. Invest. 67 : 151-157, February, 2020.
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Excessive alcohol intake and liver fibrosis are associated with skeletal muscle mass reduction in elderly men: the Wakayama study. Aging Clin Exp Res 2021; 34:185-192. [PMID: 34120318 DOI: 10.1007/s40520-021-01902-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 05/31/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Excessive alcohol intake complicated by liver dysfunction has been presumed to affect skeletal muscles. This study aimed to examine the association between excessive alcohol intake, liver fibrosis, and loss of skeletal muscle mass in elderly men. METHODS The study participants comprised 799 community-dwelling elderly men (age, 71 ± 3 years) with no history of treatment for liver disease. Bioelectrical impedance analysis was performed to estimate the appendicular skeletal muscle mass (ASM) of each participant. The ASM values were also normalized for height (ASM index). Liver fibrosis was evaluated using the Fib4 index, which was calculated using participant age, AST level, ALT level, and platelet count. Usual alcohol intake was estimated based on the type of alcohol, frequency of drinking, and amount of alcohol consumed per day. RESULTS Among the excess drinkers (≥ 20 g/day), the ASM index of the subgroup with liver fibrosis (Fib4 index ≥ 2.67) was significantly lower than that of the subgroup with no liver fibrosis (Fib4 index < 2.67). However, no significant difference between the subgroups was found in the non-drinkers and moderate drinkers (< 20 g/day). In multiple regression analysis, the Fib4 index was significantly associated with the ASM index, independent of potential confounding factors. The association between the Fib4 index and ASM index was more pronounced in excess drinkers than in non-drinkers and moderate drinkers. CONCLUSION These results suggest that liver fibrosis is associated with loss of skeletal muscle mass in elderly men, and excessive alcohol intake combined with liver fibrosis may lead to greater muscle mass reduction than each individual condition.
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Woodward AJ, Wallen MP, Ryan J, Ward LC, Coombes JS, Macdonald GA. Evaluation of techniques used to assess skeletal muscle quantity in patients with cirrhosis. Clin Nutr ESPEN 2021; 44:287-296. [PMID: 34330481 DOI: 10.1016/j.clnesp.2021.05.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Accepted: 05/26/2021] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Loss of skeletal muscle mass is a well-recognised complication of cirrhosis. Bedside methods to assess skeletal muscle mass including anthropometrics and bioelectrical impedance analysis (BIA) are negatively impacted by fluid overload in advanced cirrhosis and thus there is a need to identify alternatives. There is a paucity of data on the accuracy of commonly used radiological methods such as dual X-ray absorptiometry (DXA) to assess appendicular lean mass (ALM), and computed tomography (CT) skeletal muscle area in patients with cirrhosis. The aim of this study was to evaluate the relationships and agreement of several skeletal muscle mass estimation methods compared to a reference model in patients with cirrhosis. PATIENTS AND METHODS A cross-sectional, single centre study was performed by prospectively recruiting patients with cirrhosis referred to the Queensland Liver Transplant Service. Patients underwent assessment of skeletal muscle mass using bedside techniques (mid-upper arm muscle circumference (MUAMC), bioelectrical impedance spectroscopy (BIS), ultrasound muscle thickness (USMT)) and radiological methods (DXA ALM, CT skeletal muscle area). These were compared to a reference measurement of body cell mass derived from a multi-compartment model using isotope dilution tests and DXA. RESULTS Forty-two patients (age 56 years, interquartile range 48-60, 86% male) were recruited. Bedside skeletal muscle mass estimation techniques were strongly correlated to the body cell mass reference, with BIS estimation having the strongest correlation coefficients (r = 0.78-0.79; P < 0.01). A novel technique measuring USMT offered no advantage over traditional bedside techniques. Of the radiological methods, DXA ALM had the strongest correlation coefficient (r = 0.781; P < 0.01). Weaker correlation coefficients were observed in patients with ascites, except when using the MUAMC. Bland-Altman analysis of BIS body composition estimates demonstrated significant systematic biases and large limits of agreement compared to reference values. CONCLUSION These results confirm the difficulties in assessing skeletal muscle mass in patients with cirrhosis, particularly in those with ascites. DXA ALM and BIS measurements provided the best correlation to body cell mass. We suggest DXA ALM for estimation of skeletal muscle mass in patients with cirrhosis as there are established thresholds for skeletal muscle mass depletion, and an accurate assessment of bone mass and density can also be provided. The use of USMT over other bedside skeletal muscle mass estimates was not supported by our results. Further studies evaluating novel bedside skeletal muscle mass estimation techniques in cirrhosis patients are required.
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Matsunaga T, Satio H, Miyauchi W, Shishido Y, Miyatani K, Murakami Y, Hanaki T, Kihara K, Yamamoto M, Tokuyasu N, Takano S, Sakamoto T, Hasegawa T, Fujiwara Y. Impact of skeletal muscle mass in patients with recurrent gastric cancer. World J Surg Oncol 2021; 19:170. [PMID: 34116681 PMCID: PMC8196500 DOI: 10.1186/s12957-021-02283-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 06/02/2021] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND We retrospectively examined the relationship among skeletal muscle mass index (SMI), prognosis, and chemotherapy side effects in patients with recurrent gastric cancer (RGC). METHODS Sixty-seven patients who developed recurrence after undergoing curative gastrectomy for gastric cancer at Tottori University Hospital and received palliative chemotherapy were included in this study. Pretreatment computed tomography was performed to measure the skeletal muscle mass (SMM) and cross-sectional SMM at the third lumbar vertebra. We focused on haematologic toxicity (neutropenia, thrombocytopenia, and anaemia), febrile neutropenia, and gastrointestinal toxicity (diarrhoea, vomiting, and stomatitis) as the side effects of chemotherapy. RESULTS Median SMIs for males and females (43.9 and 34.7 cm2/m2, respectively) were used as cutoff values. The patients were classified into high (SMIHigh; n = 34) and low SMI groups (SMILow; n = 33). The SMILow group included more patients treated with monotherapy (P = 0.016) compared with the SMIHigh group, had a significantly lower number of chemotherapy lines (P = 0.049), and had a significantly higher incidence of grade 3 or 4 side effects (P = 0.010). The median survival rate was significantly higher in the SMIHigh group (17.8 vs 15.8 months; P = 0.034). In the univariate analysis, body mass index, SMI, histological type, and prognostic nutritional index were identified as prognostic indicators. The multivariate analysis identified SMI (P = 0.037) and histological type (P = 0.028) as independent prognostic factors. CONCLUSION The incidence of grade 3 or 4 side effects was significantly higher in patients with SMILow RGC. SMI was a useful prognostic marker of RGC.
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van der Zanden V, van Soolingen NJ, Viddeleer AR, Trum JW, Amant F, Mourits MJE, Portielje JEA, van den Bos F, de Kroon CD, Kagie MJ, Oei SA, Baalbergen A, van Haaften-de Jong AMLD, Houtsma D, van Munster BC, Souwer ETD. Low preoperative skeletal muscle density is predictive for negative postoperative outcomes in older women with ovarian cancer. Gynecol Oncol 2021; 162:360-367. [PMID: 34112514 DOI: 10.1016/j.ygyno.2021.05.039] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 05/31/2021] [Indexed: 12/23/2022]
Abstract
OBJECTIVE To determine the predictive value of lumbar skeletal muscle mass and density for postoperative outcomes in older women with advanced stage ovarian cancer. METHODS A multicenter, retrospective cohort study was performed in women ≥ 70 years old receiving surgery for primary, advanced stage ovarian cancer. Skeletal muscle mass and density were assessed in axial CT slices on level L3. Low skeletal muscle mass was defined as skeletal muscle index < 38.50 cm2/m2. Low skeletal muscle density was defined as one standard deviation below the mean (muscle attenuation < 22.55 Hounsfield Units). The primary outcome was any postoperative complication ≤ 30 days after surgery. Secondary outcomes included severe complications, infections, delirium, prolonged hospital stay, discharge destination, discontinuation of adjuvant chemotherapy and mortality. RESULTS In analysis of 213 patients, preoperative low skeletal muscle density was associated with postoperative complications ≤ 30 days after surgery (Odds Ratio (OR) 2.83; 95% Confidence Interval (CI) 1.41-5.67), severe complications (OR 3.01; 95%CI 1.09-8.33), infectious complications (OR 2.79; 95%CI 1.30-5.99) and discharge to a care facility (OR 3.04; 95%CI 1.16-7.93). Preoperative low skeletal muscle mass was only associated with infectious complications (OR 2.32; 95%CI 1.09-4.92). In a multivariable model, low skeletal muscle density was of added predictive value for postoperative complications (OR 2.57; 95%CI 1.21-5.45) to the strongest existing predictor functional impairment (KATZ-ADL ≥ 2). CONCLUSION Low skeletal muscle density, as a proxy of muscle quality, is associated with poor postoperative outcomes in older patients with advanced stage ovarian cancer. These findings can contribute to postoperative risk assessment and clinical decision making.
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Lin YL, Hou JS, Wang CH, Su CY, Liou HH, Hsu BG. Effects of ketoanalogues on skeletal muscle mass in patients with advanced chronic kidney disease: real-world evidence. Nutrition 2021; 91-92:111384. [PMID: 34273683 DOI: 10.1016/j.nut.2021.111384] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 04/11/2021] [Accepted: 05/31/2021] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Ketoanalogue (KA) supplementation in patients with chronic kidney disease (CKD) on a restricted protein diet has been shown to maintain their nutritional status in clinical trials. However, a gap existed between the findings of the clinical trials and the real-world practice. The aim of this prospective observational study was to evaluate the KA effect on skeletal muscle mass in patients with stage 4-5 CKD. METHODS Among 170 patients with CKD screened, 148 were recruited. Patients were defined as KA or non-KA users. During a 12-mo follow-up, skeletal muscle and body fat mass were measured via bioelectrical impedance analysis at baseline, 6 mo (n = 108), and 12 mo (n = 85). RESULTS Among the patients (mean age, 66.5 ± 12.9 y), KA users tended to maintain skeletal muscle and body fat mass, whereas non-KA users had a significantly reduced muscle mass (P = 0.011) and body fat gain (P = 0.004). Stratified by median age, in patients ≥68 y of age, non-KA users yielded the most significant muscle mass reduction and fat mass gain, whereas KA users revealed no changes in skeletal muscle and fat mass. CONCLUSION In real-world practice, we concluded that KA supplementation favorably prevents skeletal muscle mass loss and fat mass gain in elderly patients with stage 4-5 CKD.
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Sugiya R, Higashimoto Y, Shiraishi M, Tamura T, Kimura T, Chiba Y, Nishiyama O, Arizono S, Fukuda K, Tohda Y. Decreased Tongue Strength is Related to Skeletal Muscle Mass in COPD Patients. Dysphagia 2021; 37:636-643. [PMID: 34036401 PMCID: PMC8149139 DOI: 10.1007/s00455-021-10314-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 05/06/2021] [Indexed: 12/15/2022]
Abstract
Dysphagia is frequently observed in patients with chronic obstructive pulmonary disease (COPD). Decreased tongue strength is one of the causes of dysphagia, and it is often observed in patients with sarcopenia. Sarcopenia is also frequently observed in COPD patients. We hypothesized that tongue strength is lower in COPD patients compared to normal subjects. This was a single-center, observational, cross-sectional study. Maximum tongue pressure (MTP) was measured in 27 patients with COPD and 24 age-matched control subjects. We also evaluated handgrip strength, gait speed, and appendicular skeletal muscle mass to define subjects as having sarcopenia. We used bioelectrical impedance analysis to assess body composition. The eating assessment test-10 was used to diagnose dysphagia. MTP was significantly lower in COPD patients than in control subjects (33.8 ± 8.4 vs 38.0 ± 5.3; p = 0.032). All measures of muscle and fat free body mass, handgrip strength, and gait speed were also significantly lower in COPD patients compared to control subjects (p < 0.01). The prevalence of sarcopenia in COPD patients was higher than that in control subjects (6/27 versus 0/24; p = 0.007), but the prevalence of dysphagia was not different between groups (COPD: 5/27, versus control: 1/24; p = 0.112). MTP was moderately correlated with skeletal muscle mass index (r = 0.56, p = 0.003) and handgrip strength (r = 0.43, p = 0.027) in COPD patients. Tongue strength was lower in COPD patients compared to normal subjects, and decreased tongue strength may be correlated with sarcopenia in COPD patients.
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Maddalena C, Ponsiglione A, Camera L, Santarpia L, Pasanisi F, Bruzzese D, Panico C, Fiore G, Camardella S, Caramia T, Farinaro A, De Placido S, Carlomagno C. Prognostic role of sarcopenia in metastatic colorectal cancer patients during first-line chemotherapy: A retrospective study. World J Clin Oncol 2021; 12:355-366. [PMID: 34131567 PMCID: PMC8173330 DOI: 10.5306/wjco.v12.i5.355] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 01/31/2021] [Accepted: 03/18/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Sarcopenia is a condition characterized by decreased skeletal muscle mass due to physiological ageing or to a concomitant disease such as neoplasia. In cancer patients, a low lean body mass is suggested to be a negative prognostic factor for survival and for the development of dose-limiting chemotherapy toxicities irrespective of disease stage.
AIM To evaluate the prognostic role of sarcopenia in patients with metastatic colorectal cancer (mCRC) undergoing first-line chemotherapy.
METHODS Our retrospective analysis included 56 mCRC patients who received first-line chemotherapy from 2014 to 2017 at the Medical Oncology Unit of our hospital. Computerized scans were performed before starting chemotherapy and at the first disease reassessment. Sarcopenia was assessed using the skeletal mass index = muscle area in cm2/(height in m2) calculated at the L3 vertebra. Overall survival and objective response rate were evaluated. Toxicities were analyzed during the first four cycles of therapy and graded according to Common Terminology Criteria for Adverse Events version 4.0. A loss of skeletal muscle mass ≥ 5% was considered indicative of deterioration in muscle condition.
RESULTS Median age was 67 years and 35.7% of patients were ≥ 70 years old. Fourteen patients (25%) were sarcopenic at baseline computed tomography (CT) scan (7/33 men; 7/23 women); 5/14 sarcopenic patients were ≥ 70 years old. Median follow-up was 26.8 mo (3.8-66.8 mo) and median overall survival was 27.2 mo (95%CI: 23.3-37.3). Sarcopenia was not correlated to overall survival (P = 0.362), to higher toxicities reported during the first 4 cycles of chemotherapy (P = 1.0) or to response to treatment (P = 0.221). At the first disease reassessment, a skeletal muscle loss (SML) ≥ 5% was found in 17 patients (30.3%) 3 of whom were already sarcopenic at baseline CT scan, while 7 patients became sarcopenic. SML was not correlated to overall survival (P = 0.961). No statistically significant correlation was found between baseline sarcopenia and age (P = 1.0), body mass index (P = 0.728), stage at diagnosis (P = 0.355) or neutrophil/lymphocyte ratio (P = 0.751).
CONCLUSION Neither baseline sarcopenia nor SML affected survival. In addition, baseline sarcopenia was not related to worse treatment toxicity. However, these results must be interpreted with caution due to the limited sample size.
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Pratt J, De Vito G, Narici M, Segurado R, Pessanha L, Dolan J, Conroy J, Boreham C. Plasma C-Terminal Agrin Fragment as an Early Biomarker for Sarcopenia: Results from the Genofit Study. J Gerontol A Biol Sci Med Sci 2021; 76:2090-2096. [PMID: 33993303 PMCID: PMC8599080 DOI: 10.1093/gerona/glab139] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Indexed: 12/21/2022] Open
Abstract
Barriers associated with direct muscle quantification have prevented a consistent implementation of therapeutic measures for sarcopenia. Recently, the relevance of circulating C-terminal agrin fragment (CAF) as an accessible screening method alternative for sarcopenia has gained credence. Accordingly, this study aimed to verify the pertinence of plasma CAF as a biomarker for sarcopenia. Three hundred healthy adults aged between 50 and 83 years took part in this study. Sarcopenia was diagnosed according to the European Working Group on Sarcopenia in Older People criteria. Body composition was assessed using dual-energy x-ray absorptiometry, while muscle strength was examined using hand dynamometry. Plasma CAF concentrations were determined using a commercially available ELISA kit. CAF concentrations were significantly associated with appendicular lean mass (ALM), but not grip strength (p = .028, p = .575, respectively). Plasma CAF concentrations were significantly elevated in sarcopenic individuals compared to nonsarcopenic (p < .001). Overall, individuals with low grip strength or low ALM displayed significantly higher CAF levels compared to healthy controls, after adjusting for age and body mass index (p = .027, p = .003, respectively). In males, those with low grip strength or low ALM had significantly elevated CAF levels (p = .039, p = .027, respectively), while in females, only those with low ALM had significantly raised CAF concentrations, compared to healthy controls (p = .035). Our findings illuminate the potential relevance of CAF as an accessible biomarker for skeletal muscle health. CAF determination may enhance clinical practice by facilitating more widespread treatment strategies for sarcopenia. Nevertheless, future research is needed to confirm the diagnostic pertinence of CAF concentrations in screening for sarcopenia.
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Kuriyama N, Ozaki E, Koyama T, Matsui D, Watanabe I, Tomida S, Nagamitsu R, Hashiguchi K, Inaba M, Yamada S, Horii M, Mizuno S, Yoneda Y, Kurokawa M, Kobayashi D, Fukuda S, Iwasa K, Watanabe Y, Uehara R. Evaluation of myostatin as a possible regulator and marker of skeletal muscle-cortical bone interaction in adults. J Bone Miner Metab 2021; 39:404-415. [PMID: 33044569 DOI: 10.1007/s00774-020-01160-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 09/21/2020] [Indexed: 12/18/2022]
Abstract
INTRODUCTION Bone mass was recently reported to be related to skeletal muscle mass in humans, and a decrease in cortical bone is a risk factor for osteoporosis. Because circulating myostatin is a factor that primarily controls muscle metabolism, this study examined the role of myostatin in bone mass-skeletal muscle mass interactions. METHODS The subjects were 375 middle-aged community residents with no history of osteoporosis or sarcopenia who participated in a health check-up. Cortical bone thickness and cancellous bone density were measured by ultrasonic bone densitometry in a health check-up survey. The subjects were divided into those with low cortical bone thickness (LCT) or low cancellous bone density (LBD) and those with normal values (NCT/NBD). Bone metabolism markers (TRACP-5b, etc.), skeletal muscle mass, serum myostatin levels, and lifestyle were then compared between the groups. RESULTS The percentage of diabetic participants, TRACP-5b, and myostatin levels were significantly higher, and the frequency of physical activity, skeletal muscle mass, grip strength, and leg strength were significantly lower in the LCT group than in the NCT group. The odds ratio (OR) of high myostatin levels in the LCT group compared with the NCT group was significant (OR 2.17) even after adjusting for related factors. Between the low cancellous bone density (LBD) and normal cancellous bone density (NBD) groups, significant differences were observed in the same items as between the LCT and NCT groups, but no significant differences were observed in skeletal muscle mass and blood myostatin levels. The myostatin level was significantly negatively correlated with cortical bone thickness and skeletal muscle mass. CONCLUSIONS A decrease in cortical bone thickness was associated with a decrease in skeletal muscle mass accompanied by an increase in the blood myostatin level. Blood myostatin may regulate the bone-skeletal muscle relationship and serve as a surrogate marker of bone metabolism, potentially linking muscle mass to bone structure.
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The use of alternate vertebral levels to L3 in computed tomography scans for skeletal muscle mass evaluation and sarcopenia assessment in patients with cancer: a systematic review. Br J Nutr 2021; 127:722-735. [PMID: 33910664 DOI: 10.1017/s0007114521001446] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Body composition measurement using diagnostic computed tomography (CT) scans has emerged as a method to assess sarcopenia (low muscle mass) in oncology patients. Assessment of skeletal muscle mass (SMM) using the cross-sectional area of a single vertebral slice (at lumbar L3) in a CT scan is correlated with whole-body skeletal muscle volume. This method is used to assess CT-defined sarcopenia in patients with cancer, with low SMM effecting outcomes. However, as diagnostic scans are based on tumour location, not all include L3. We evaluated the evidence for the use of alternate vertebral CT slices for SMM evaluation when L3 is not available. Five electronic databases were searched from January 1996 to April 2020 for studies using CT scan vertebral slices above L3 for SM measurement in adults with cancer (solid tumours). Validation with whole-body SMM, rationale for the chosen slice and sarcopenia cut-off values were investigated. Thirty-two studies were included, all retrospective and cross-sectional in design. Cervical, thoracic and lumbar slices were used (from C3 to L1), with no validation of whole-body SMM using CT scans. Alternate slices were used in lung, and head and neck cancer patients. Sarcopenia cut-off values were reported in 75 % of studies, with differing methods, with or without sex-specific values, and a lack of consensus. Current evidence is inadequate to provide definitive recommendations for alternate vertebral slice use for SMM evaluation in cancer patients. Variation in sarcopenia cut-offs warrants more robust investigation, in order for risk stratification to be applied to all patients with cancer.
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Brunani A, Perna S, Soranna D, Rondanelli M, Zambon A, Bertoli S, Vinci C, Capodaglio P, Lukaski H, Cancello R. Body composition assessment using bioelectrical impedance analysis (BIA) in a wide cohort of patients affected with mild to severe obesity. Clin Nutr 2021; 40:3973-3981. [PMID: 34139470 DOI: 10.1016/j.clnu.2021.04.033] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 04/13/2021] [Accepted: 04/17/2021] [Indexed: 01/07/2023]
Abstract
BACKGROUND & AIMS Obesity is characterized by fat mass excess (FM), extra cellular water increase (ECW) and, with ageing, decrease in fat free mass (FFM). The validity of body impedance analysis (BIA) in patients with mild to severe obesity is still debated. The purpose of this study is to describe the Resistance (Rz) and Reactance (Xc) values obtained by Body Impedance Analysis (BIA) in a wide cohort of Italian patients with mild to severe obesity. The secondary endpoint is to describe the resulting body composition values (as percentage and indexes) in this population. METHODS The study enrolled adult in-patients with mild to severe obesity (classified with class I, II and III obesity) undergoing clinical care rehabilitation program for obesity complications and weight loss. BIA values were grouped by sex, BMI and age classes. RESULTS A total of 8303 patients with obesity, aged 18 to 90 y, were studied. The Resistance (Rz) and Reactance (Xc) were reported by sex, age and BMI classes. In women and men both, the phase angle (PhA) decreases with increasing BMI (kg/m2) and the resulting BIA vector was significantly shifted. The FM index (FMI) was higher (p < 0.0001) in women while FFM index (FFMI) was higher in men (p < 0.0001) and significantly associated with BMI. FFMI decreased with age in both sex (p < 0.0001). Skeletal mass (SM) presents a progressive reduction in relation to age and gender both. CONCLUSIONS The present BIA-based body composition analysis in a wide cohort of mild to severe obese patients revealed a significantly decreased Rz and Xc values with a consequent significant decrease of PhA in a BMI-dependent manner. The body compartments estimation with available equations was BMI, sex and age dependent. These observational results could be the basis for the development of new equations adapted for patients suffering from obesity.
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Takahashi Y, Fujino Y, Miura K, Toida A, Matsuda T, Makita S. Intra- and inter-rater reliability of rectus femoris muscle thickness measured using ultrasonography in healthy individuals. Ultrasound J 2021; 13:21. [PMID: 33856566 PMCID: PMC8050162 DOI: 10.1186/s13089-021-00224-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 01/19/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Ultrasonography (US) is a feasible and accessible method for the measurement of skeletal muscle mass. This technique presents acceptable intra-rater reliability; however, there are a few reports on its inter-rater reliability. Additionally, relative reliability should equally be inspected to determine the presence of systematic errors. Therefore, this study aimed to investigate the intra- and inter-rater reliabilities and absolute reliability of rectus femoris muscle thickness as measured using US. METHODS The participants included in our study comprised 12 healthy young men (26.5 ± 3.9 years. Rectus femoris muscle thickness was measured from the right side of the thigh using US by two trained physical therapists. Inter- and intra-rater reliabilities were determined using the intraclass correlation coefficient (ICC) (1, 1) and ICC (2, 1) methods, respectively. Absolute reliability was evaluated using Bland - Altman analysis. Additionally, we calculated the minimal detectable change at the 95% level of confidence (MDC95). RESULT According to the results of the Bland - Altman analysis, no fixed or proportional errors were present. The ICC (1, 1) was 0.95, and the ICC (2, 1) was 0.70. The MDC95 values of rectus femoris thickness for the intra- and inter-rater reliabilities were 2.0 mm and 4.3 mm, respectively. CONCLUSIONS In our study, intra- and inter-rater reliabilities were measured at "excellent" and "moderate" levels in the healthy individuals based on a previously defined scale. Moreover, we determined the measurement error for quantifying rectus femoris thickness. Therefore, the measurement of rectus femoris thickness using US could be considered applicable in clinical research.
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Low S, Pek S, Moh A, Khin CYA, Lim CL, Ang SF, Wang J, Ang K, Tang WE, Lim Z, Subramaniam T, Sum CF, Lim SC. Low muscle mass is associated with progression of chronic kidney disease and albuminuria - An 8-year longitudinal study in Asians with Type 2 Diabetes. Diabetes Res Clin Pract 2021; 174:108777. [PMID: 33745995 DOI: 10.1016/j.diabres.2021.108777] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 03/04/2021] [Accepted: 03/15/2021] [Indexed: 02/06/2023]
Abstract
AIMS We examined the longitudinal relationship between baseline skeletal muscle mass and its change over time with eGFR decline and albuminuria progression among Asians with type 2 diabetes(T2D). METHODS This was a prospective cohort study of 1272 T2D patients. Skeletal muscle mass was estimated using tetra-polar multi-frequency bio-impedance analysis and Skeletal Muscle Mass Index(SMI) was defined as skeletal muscle mass/weight * 100. RESULTS After up to 8 years of follow-up, 33.3% of participants had CKD progression and 28.3% albuminuria progression. Every 1-SD above baseline SMI was associated with 18% lower risk of CKD progression[Hazards Ratio(HR)0.82; 95%CI 0.70-0.97; p = 0.018] and 17% lower risk of albuminuria progression [HR 0.83 (95%CI 0.71-0.97; p = 0.017)]. The largest decrease in SMI over time was associated with 67% higher risk of CKD progression, compared to those with the smallest change from baseline SMI tertile 2[HR 1.67 (95%CI 1.10-2.55); p = 0.016]. Pigment epithelium-derived factor(PEDF) and plasma leucine-rich α-2-glycoprotein (LRG1) accounted for 40.1% of the association between SMI and CKD progression. CONCLUSIONS Low baseline skeletal muscle mass and its reduction over time is associated with increased risk of progression of CKD among Asians with T2D. PEDF and LRG1 mediated the inverse relationship between SMI and CKD progression.
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Marasco G, Dajti E, Ravaioli F, Brocchi S, Rossini B, Alemanni LV, Peta G, Bartalena L, Golfieri R, Festi D, Colecchia A, Renzulli M. Clinical impact of sarcopenia assessment in patients with liver cirrhosis. Expert Rev Gastroenterol Hepatol 2021; 15:377-388. [PMID: 33196344 DOI: 10.1080/17474124.2021.1848542] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Introduction: Sarcopenia is defined as loss of skeletal muscle mass, strength, and function, and it is associated with increased morbidity and mortality in patients with chronic liver disease.Areas covered: The aim of this review is to provide a detailed report on the pathophysiological mechanisms underlying sarcopenia in cirrhotic patients, the several imaging methods available for the assessment of sarcopenia and the clinical studies evaluating the prognostic role of sarcopenia presence in cirrhotic patients.Expert opinion: Sarcopenia pathogenesis is complex and multifaceted, as chronic catabolic conditions, increased energy expenditure, reduced appetite, side effects of multiple therapies, alterations in circulating levels of hormones, low protein synthesis, presence of ascites or portosystemic shunts are all factors contributing to muscle atrophy in cirrhotic patients. Computed tomography scan is the most validated method to evaluate muscle mass and quality. Sarcopenia is associated with a higher rate waitlist mortality, hepatic encephalopathy, and lower quality of life in patients with liver cirrhosis. Future studies should make an effort to unify and validate liver disease-specific cutoffs for the definition of sarcopenia.
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Sugawara K, Yamashita H, Urabe M, Okumura Y, Yagi K, Aikou S, Seto Y. The different survival impacts of body mass index in elderly and non-elderly patients with gastric carcinoma. Surg Oncol 2021; 37:101549. [PMID: 33819853 DOI: 10.1016/j.suronc.2021.101549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 02/10/2021] [Accepted: 03/26/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND The age-dependent survival impact of body mass index (BMI) remains to be fully addressed in patients with gastric carcinoma (GC). We investigated the prognostic impacts of BMI in elderly (≥70 years) and non-elderly patients undergoing surgery for GC. METHODS In total, 1168 GC patients were retrospectively reviewed. Patients were stratified into 3 groups according to BMI; low (<20), medium (20-25) and high (>25). The effects of BMI on overall survival (OS) and cancer-specific survival (CSS) were assessed using univariate and multivariate Cox hazards models. RESULTS There were 242 (20.7%), 685 (58.7%) and 241 (20.6%) patients in the low-, medium- and high-BMI groups, respectively. The number of patients with high BMI but decreased muscle mass was extremely small (n = 13, 1.1%). Patients in the low-BMI group exhibited significantly poorer OS than those in the high- and medium-BMI group (P < 0.001). Notably, BMI classification significantly demarcated OS and CSS curves (both P < 0.001) in non-elderly patients, while did not in elderly patients (OS; P = 0.07, CSS; P = 0.54). Furthermore, the survival discriminability by BMI was greater in pStage II/III disease (P = 0.006) than in pStage I disease (P = 0.047). Multivariable analysis focusing on patients with pStage II/III disease showed low BMI to be independently associated with poor OS and CSS only in the non-elderly population. CONCLUSIONS BMI-based evaluation was useful for predicting survival and oncological outcomes in non-elderly but not in elderly GC patients, especially in those with advanced GC.
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Kino M, Hayashi T, Hino D, Nakada T, Kitoh H, Akakura K. Patients' poor performance status is an independent risk factor for urosepsis induced by kidney and ureteral stones. Urolithiasis 2021; 49:477-484. [PMID: 33755744 DOI: 10.1007/s00240-021-01256-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 02/12/2021] [Indexed: 12/29/2022]
Abstract
This study was aimed to identify the risk factors for urosepsis caused by kidney and ureteral stones. One hundred and nine patients who had kidney or ureteral stones and who were treated with trans-ureteral lithotripsy (TUL) at our institution from 2016 to 2020 were included. We investigated the risk factors for urosepsis caused by kidney or ureteral stones that occurred prior to TUL. Thirty patients (28%) had urosepsis prior to TUL. Patients were divided into a urosepsis group (n = 30, 28%) and a non-urosepsis group (n = 79, 72%). Patients' characteristics (gender, age, performance status [PS] score, presence of diabetes mellitus, and skeletal muscle mass), as well as their stone and urine characteristics (stone size, presence of obstructive ureteral stones, stone composition, and urine and stone cultures), were compared between the two groups. When compared to the non-urosepsis group, patients with urosepsis were more likely to be older (p < 0.001), female (p < 0.001), with lower skeletal muscle mass (p < 0.001) and with poor PSs (p < 0.001). For stone and urine characteristics, infection stones (p = 0.01), positive urine (p < 0.001) and stone culture (p = 0.007) were more often detected in patients with urosepsis. A multivariate analysis showed patients' poor PS to be an independent risk factor for urosepsis due to kidney and ureteral stones (OR = 15.7; 95% CI = 2.2-115, p = 0.007). Our study revealed that the most significant risk factor for urosepsis caused by kidney and ureteral stones was the patients' poor PS.
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Chronological Changes in Skeletal Muscle Mass Two Years after Minimally Invasive Esophagectomy: A Prospective Cohort Study. Surg Endosc 2021; 36:1527-1535. [PMID: 33755788 DOI: 10.1007/s00464-021-08440-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 03/05/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUND Preoperative loss of skeletal muscle mass, defined as sarcopenia, has been reported to be associated with higher incidence of complications following esophagectomy in patients with esophageal cancer. Although skeletal muscle loss promotes disability and reduced quality of life (QOL), only a few studies have focused on changes in skeletal muscle mass after surgery. This prospective cohort study aimed to evaluate the chronological changes in skeletal muscle mass after minimally invasive esophagectomy (MIE). METHODS Patients with esophageal cancer scheduled to undergo MIE at our institution were prospectively registered. Skeletal muscle mass was evaluated before and 2, 6, 12, and 24 months after surgery. The effects of preoperative sarcopenia on surgical outcomes and chronological changes in skeletal muscle mass were evaluated. RESULTS Among the 71 eligible preoperative patients, 29 (40.8%) were diagnosed with sarcopenia. Patients with sarcopenia had significantly higher incidences of total (79.3% vs 52.4%, p = 0.026) and gastrointestinal (37.9% vs 11.9%, p = 0.019) complications and a significantly longer length of hospital stay (31 vs 23 days, p = 0.005) than those without sarcopenia. The median skeletal muscle mass index (kg/m2) was 7.09 before surgery, which decreased to 6.46 two months after surgery (- 7.2%, P < 0.01). Thereafter, values of 6.90, 6.86, and 7.06 were reported at 6, 12, and 24 months after surgery, respectively. CONCLUSION Patients with preoperative sarcopenia developed more postoperative complications than those without it. Additionally, patients experienced a decrease in skeletal muscle mass during the early postoperative period following MIE. Further research on perioperative countermeasures to prevent skeletal muscle loss during the early postoperative period and to prevent postoperative complications is necessary for patients undergoing MIE.
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