Notes

Human mesenchymal originate tissues produced from amniotic membrane layer attenuate isoproterenol (ISO)-induced myocardial injury by targeting apoptosis.
; 1.72 ± 0.09 m) with squat and deadlift training experience completed a modified one repetition maximum protocol on 4 separate occasions in a randomized order. The IP app and OBS device recorded ACV and ROM during each protocol. The level of statistical significant was set at p ≤ 0.05. Bland-Altman plots showed fairly large limits of agreement for both ACV and ROM. Furthermore, 95% confidence intervals for the intraclass correlation coefficients indicated the agreement in ACV between the devices for each of the 4 lifts to range from 0.648-0.876 to 0.849-0.930 and for agreement in ROM between devices to range from -0.053-0.480 to 0.545-0.770. Compared with the OBS, the IP app recorded significantly (p less then 0.05) lower ACV values for the front squat and back squat and greater ROM values for the sumo deadlift. We suggest the IP app should not be used in place of a validated linear position transducer for measuring ACV or ROM for barbell lifts.
Heinecke, ML, Mauldin, ML, Hunter, ML, Mann, JB, and Mayhew, JL. Relationship of barbell and dumbbell repetitions with one repetition maximum bench press in college football players. J Strength Cond Res 35(2S) S66-S71, 2021-Dumbbell training to augment barbell training is gaining popularity. Capsazepine price However, information is lacking that details the compatibility of strength and endurance between dumbbell and barbell performances in the same exercise. Therefore, the purposes of this study were to compare the similarity of muscular endurance performance between dumbbell and barbell exercises and to assess the accuracy of predicting one repetition maximum (1RM) barbell bench press from barbell and dumbbell repetitions to fatigue (RTF). College football players (n = 40) performed 1RM barbell bench press and RTF with a 90.9-kg barbell. On separate days, unilateral (45.5 kg) and bilateral dumbbell (90.9 kg) RTF were performed. Barbell RTF (13.8 ± 9.2) were significantly greater (effect size [ES] = 0.14) than bilateral dumdumbbell repetitions with equivalent weights place a similar demand on the upper-body musculature for training and testing purposes in football athletes.
Chapman, M, Larumbe-Zabala, E, Triplett, NT, and Naclerio, F. Velocity change estimation by subjective measures over a wide-load spectrum in squat and bench press. J Strength Cond Res 35(2S) S51-S56, 2021-This study compared whether the perception of effort measured on a repetition-by-repetition basis during continuous sets to failure is different between squat (SQ) and bench press (BP). After determining the one repetition maximum (1RM) value in both SQ and BP, 18 subjects (28.2 ± 5 years, 50% women) performed 7 sets to failure per exercise, separated by 24-48 hours, alternating SQ and BP, using the following relative load ranges 30 < 40%, 40 < 50%, 50 < 60%, 60% < 70%, 70 < 80%, 80 < 90%, and >90%. The mean accelerative velocity (MAV) and rating of perceived exertion (RPE) using the OMNI-RES (0-10) scale were measured for every repetition of each set. The ability of the OMNI-RES (0-10) scale to identify velocity changes during continuous sets to volitional failure and to distinguish loading zones divided into 10% slots, from 30 to 100% of 1RM was confirmed for both SQ and BP. The RPE values measured at (a) the first repetition; (b) the repetition where MAV peaks; (c) the repetition where MAV drops by ≤10% compared the maximum and (d) the last repetition, showed no differences (p > 0.05, d < 0.2) between exercises. In conclusion, the same RPE scores can be applied to both exercises, for either estimating the relative load or monitoring changes in MAV during continuous sets to failure.
0.05, d less then 0.2) between exercises. In conclusion, the same RPE scores can be applied to both exercises, for either estimating the relative load or monitoring changes in MAV during continuous sets to failure.In this issue of Journal of Neuro-Ophthalmology, M. Tariq Bhatti, MD, and Mark L. Moster, MD will discuss the following 6 articles Li L, Dmytriw AA, Krings T, Feng Y, Jiao L. Visualization of the human intracranial vasa vasorum in vivo using optical coherence tomography. JAMA Neurol. 2020;77903-905.Lee KE, Zehri A, Soldozy S, Syed H, Catapano JS, Maurer R, Albuquerque FC, Liu KC, Wolfe SQ, Brown S, Levitt MR, Fargen KM. Dural venous sinus stenting for treatment of pediatric idiopathic intracranial hypertension. J Neurointerv Surg. [published online ahead of print July 30, 2020] doi10.1136/neurintsurg-2020-016183.Matza MA, Fernandes AD, Stone JH, Unizony SH. Ustekinumab for the treatment of giant cell arteritis. Arthritis Care Res (Hoboken). [published online ahead of print April 5, 2020] doi10.1002/acr.24200.Kunchok A, Aksamit AJ Jr, Davis JM III, Kantarci OH, Keegan BM, Pittock SJ, Weinshenker BG, McKeon A. Association between tumor necrosis factor inhibitor exposure and inflammatory central nervous system events. JAMA Neurol. 2020;77937-946.Mac Grory B, Nackenoff A, Poli S, Spitzer MS, Nedelmann M, Guillon B, Preterre C, Chen CS, Lee AW, Yaghi S, Stretz C, Azher I, Paddock J, Bakaeva T, Greer DM, Shulman JG, Kowalski RG, Lavin P, Mistry E, Espaillat K, Furie K, Kirshner H, Schrag M. Intravenous fibrinolysis for central retinal artery occlusion a cohort study and updated patient-level meta-analysis. Stroke. 2020;512018-2025.Lopez-Chiriboga S, Sechi E, Buciuc M, Chen JJ, Pittock SJ, Lucchinetti CF, Flanagan EP. Long-term outcomes in patients with myelin oligodendrocyte glycoprotein immunoglobulin G-associated disorder. JAMA Neurol. [published online ahead of print August 31, 2020] doi10.1001/jamaneurol.2020.3115.
COVID-19 in people with diabetes is associated with a disproportionately worse prognosis. DKA is an acute complication of diabetes with a mortality rate of approximately 0.67%. Little is known about the natural history of DKA in the presence of COVID-19. This study aimed to explore the effects of COVID-19 on presentation, clinical course and outcome in patients presenting with DKA.

Retrospective cohort study.

All patients treated for DKA between 1 March 2020 and 30 May 2020 were included. Patients were categorised as COVID-positive or COVID-negative based on the swab test. A pre-COVID group was established using data from 01 March 2019 to 30 May 2019 as external control. Data regarding demographics, diabetes type, pH, bicarbonate, lactate, glucose, DKA duration, complications and outcome were collected.

A total of 88 DKA episodes were included in this study. There was no significant difference in the severity or duration of DKA between the three groups. COVID-positive T1DM were more hyperglycaemic on admission compared to COVID-negative and pre-COVID patients.
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