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Comparison of Microplegia Solution and Del Nido Cardioplegia Solution in Coronary Artery Bypass Grafting Surgery: Which One is More Effective?
Urcun, YS, Pala, AA
The heart surgery forum. 2021;(5):E842-E848
Abstract
BACKGROUND The aim of this study is to compare the efficacy of the microplegia solution and Del Nido cardioplegia solution in coronary artery bypass surgery with clinical, biochemical, and echocardiographic data. METHODS Three hundred patients, who underwent coronary artery bypass surgery between January 2017 and January 2020, by the same surgical team were included in the study. Preoperative, operative and postoperative data (cardiac biomarker levels, cross-clamp and CPB times, echocardiographic measurements, etc.) of the patients were compared. RESULTS In the study, cross-clamp time was significantly shorter in the DN cardioplegia group (55.60 ± 13.49 min/75.58 ± 12.43 min, P = 0.024). No significant difference was observed between the two groups in terms of intensive care stay, extubation time, hospital stay, and cardiopulmonary bypass time. In our study, it was shown that both the left and right ventricular ejection fraction was better protected in the Del Nido cardioplegia group (5.34±3.03 vs. 3.40±2.84, P = 0.017 and 3.82±1.19 vs. 2.28±1.87, P = 0.047, respectively), and the need for inotrope support was lower in this group (28% vs. 44%, P < 0.021). There was no significant difference between the groups, in terms of blood transfusion rates, IABP requirement. CONCLUSION In light of short-term results, we can say that Del Nido cardioplegia provides better myocardial protection than microplegia. In addition, Del Nido cardioplegia can be given as a single dose for 90 minutes of cross-clamp time and therefore can be preferred to increase surgical comfort and reduce cross-clamp times.
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Diurnal rhythms of urine volume and electrolyte excretion in healthy young men under differing intensities of daytime light exposure.
Nakamoto, I, Uiji, S, Okata, R, Endo, H, Tohyama, S, Nitta, R, Hashimoto, S, Matsushima, Y, Wakimoto, J, Hashimoto, S, et al
Scientific reports. 2021;(1):13097
Abstract
In humans, most renal functions, including urine volume and electrolyte excretions, have a circadian rhythm. Light is a strong circadian entrainment factor and daytime-light exposure is known to affect the circadian rhythm of rectal temperature (RT). The effects of daytime-light exposure on the diurnal rhythm of urinary excretion have yet to be clarified. The aim of this study was to clarify whether and how daytime exposure to bright-light affects urinary excretions. Twenty-one healthy men (21-27 years old) participated in a 4-day study involving daytime (08:00-18:00 h) exposure to two light conditions, Dim (< 50 lx) and Bright (~ 2500 lx), in a random order. During the experiment, RT was measured continuously. Urine samples were collected every 3 ~ 4 h. Compared to the Dim condition, under the Bright condition, the RT nadir time was 45 min earlier (p = 0.017) and sodium (Na), chloride (Cl), and uric acid (UA) excretion and urine volumes were greater (all p < 0.001), from 11:00 h to 13:00 h without a difference in total daily urine volume. The present results suggest that daytime bright light exposure can induce a phase shift advance in urine volume and urinary Na, Cl, and UA excretion rhythms.
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Safety and Effectiveness of Del Nido Cardioplegia in Comparison to Blood-Based St. Thomas Cardioplegia in Congenital Heart Surgeries: A Prospective Randomized Controlled Study.
Haranal, M, Chin, HC, Sivalingam, S, Raja, N, Mohammad Shaffie, MS, Namasiwayam, TK, Fadleen, M, Fakhri, N
World journal for pediatric & congenital heart surgery. 2020;(6):720-726
Abstract
BACKGROUND To compare the safety and effectiveness of del Nido cardioplegia with blood-based St Thomas Hospital (BSTH) cardioplegia in myocardial protection in congenital heart surgery. METHODS It is a prospective, open-labeled, randomized controlled study conducted at National Heart Institute, Kuala Lumpur from July 2018 to July 2019. All patients with simple and complex congenital heart diseases (CHD) with good left ventricular function (left ventricular ejection fraction [LVEF] >50%) were included while those with LVEF <50% were excluded. A total of 100 patients were randomized into two groups of 50 each receiving either del Nido or BSTH cardioplegia. Primary end points were the spontaneous return of activity following aortic cross-clamp release and ventricular function between two groups. Secondary end point was myocardial injury as assessed by troponin T levels. RESULTS Cardiopulmonary bypass and aortic cross-clamp time, return of spontaneous cardiac activity following the aortic cross-clamp release, the duration of mechanical ventilation, and intensive care unit stay were comparable between two groups. Statistically significant difference was seen in the amount and number of cardioplegia doses delivered (P < .001). The hemodilution was significantly less in the del Nido complex CHD group compared to BSTH cardioplegia (P = .001) but no difference in blood usage (P = .36). The myocardial injury was lesser (lower troponin T release) with del Nido compared to BSTH cardioplegia (P = .6). CONCLUSION Our study showed that both del Nido and BSTH cardioplegia are comparable in terms of myocardial protection. However, single, less frequent, and lesser volume of del Nido cardioplegia makes it more suitable for complex repair.
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Impact of Nuun Electrolyte Tablets on Fluid Balance in Active Men and Women.
Pence, J, Bloomer, RJ
Nutrients. 2020;(10)
Abstract
BACKGROUND Maintaining adequate hydration is important for overall health and has major implications for athletes involved in physically demanding tasks. While water is viewed as an effective means to rehydrate, and is inexpensive and readily available, electrolyte beverages appear to be more beneficial, in particular for athletes who routinely lose electrolytes through sweating. Nuun tablets contain a mix of electrolytes and are quickly dissolved in water to create an electrolyte-rich beverage. We determined the impact of Nuun tablets on the fluid balance of healthy, exercise-trained men and women at rest. METHODS Eight men (25.9 ± 4.5 yrs) and 10 women (28.2 ± 9.4 yrs) ingested either water only or water with Nuun electrolyte tablets, at both a single and double strength concentration, in random order, on three separate occasions separated by approximately one week, in a fasted and euhydrated state. A total of 1 liter of fluid was ingested at each visit over a 30 minute period. Urine was collected from each subject at 0, 1, 2, 3, and 4 hours post-ingestion. Urine mass values were used to calculate fluid balance and the beverage hydration index (BHI; i.e., the volume of urine produced after drinking the Nuun beverages, relative to that of water only-control condition). Heart rate and blood pressure were measured throughout the four-hour period, while body weight was measured at the start and end of the experiment. RESULTS Neither heart rate nor blood pressure were impacted by beverage consumption. Nuun tablets resulted in a lower urine output compared to water, with fluid balances for both concentrations more favorable compared to water (p < 0.05), beginning at 2 h post-ingestion and continuing at the 3 h and 4 h times. Body weight loss was less with Nuun at the single dose (0.38 kg; p = 0.02) and double dose (0.43 kg; p = 0.08), compared to water (0.57 kg). The BHI was higher for Nuun (single dose in particular) compared to water at both 2 h (p = 0.05) and 4 h (p = 0.02). CONCLUSION The addition of Nuun electrolyte tablets to water improves the fluid balance and BHI in healthy men and women. Results were similar for both concentrations, suggesting that additional electrolytes are not necessary when in a rested state. Future studies should determine the impact of various concentrations of the Nuun beverage during physical exercise-in particular, exercise in the heat, when sweat loss may be highest.
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The utility of amniotic fluid pH and electrolytes for prediction of neonatal respiratory disorders.
Yılmaz Semerci, S, Yücel, B, Erbas, IM, Gunkaya, OS, Talmac, M, Çetinkaya, M
The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians. 2020;(2):253-257
Abstract
Background: Amniotic fluid (AF) is a complex structure with a changing content by gestation. Lower genomic expression of Na channels in airways was shown to be associated with respiratory distress syndrome (RDS). The aim of this study was to determine the possible role of amniotic fluid pH and electrolytes for prediction of neonatal respiratory morbidities.Methods: This was a prospective controlled cohort study. During C-section, 1 ml of AF was aspirated before incision of membranes. AF pH and electrolytes were analyzed by blood gas analyzer. Maternal and neonatal demographic features and clinical outcomes, respiratory morbidities were all recorded.Results: AF Na and K values were significantly higher in all infants with respiratory morbidities compared with those who did not develop respiratory findings. AF Na value was significantly higher in preterm neonates with RDS as well as in term neonates with transient tachypnea of the newborn (TTN). AF pH did not show any significant difference for prediction of respiratory morbidities in term and preterm infants.Conclusion: This is the first study that reported the value of AF Na and K levels for prediction of respiratory morbidities in term and preterm infants. However, further studies including larger number of infants are required to confirm the role of AF analysis to predict neonatal respiratory morbidities. Randomized controlled trial (RCT) number: NCT02813954.
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The advantage of polyethylene glycol electrolyte solution combined with lactulose in patients with long interval preparation-to-colonoscopy.
Yuanchao, H, Xueping, L, Tao, L, Jianping, N, Man, M
The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology. 2020;(1):23-29
Abstract
BACKGROUND/AIMS: The main aim of the present study was to assess the efficacy of polyethylene glycol electrolyte (PEG) solution combined with lactulose in bowel preparation to find a new method for colonoscopy preparation to improve the quality of colonoscopy in patients with long interval preparation-to-colonoscopy (P-C). MATERIALS AND METHODS A prospective, randomized, endoscopist-blinded and placebo-controlled study was conducted. Three hundred sixty patients who were scheduled for colonoscopy were enrolled in the study. They were randomly divided into the PEG-lactulose group and the PEG-placebo group with 180 patients per arm. Two of the most common methods for estimating the quality of bowel preparation were the use of the Boston Bowel Preparation Scale and the measurement of the Bubble Scale and adenoma detection rate (ADR) as a secondary outcome of observation. RESULTS The PEG-lactulose group had a significant improvement in the quality of bowel preparation compared with the PEG-placebo group including colon cleanliness in interval P-C at 8 and 9 h (p<0.05) and bubble elimination in interval P-C at 5, 6, 7, 8, and 9 h (p<0.05). Compared with the PEG-placebo group, the ADR (23.3% vs. 15.0%, p<0.05) and the size (≤5 mm) of the adenoma (45.2% vs. 18.5%, p<0.05) increased in the PEG-lactulose group, and there were significant differences between the two groups. CONCLUSION PEG solution combined with lactulose can improve the quality of colonoscopy in patients with long interval P-C to allow the patients to select more flexible colonoscopy time. It is worth further popularizing in clinical practice.
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Electrolyte beverage consumption alters electrically induced cramping threshold.
Earp, JE, Stearns, RL, Stranieri, A, Agostinucci, J, Lepley, AS, Matson, T, Ward-Ritacco, CL
Muscle & nerve. 2019;(5):598-603
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Abstract
BACKGROUND Recent investigations have questioned the role of hydration and electrolytes in cramp susceptibility and thus the efficacy of consuming electrolyte-rich carbohydrate beverages (EB) to control/prevent cramping. METHODS Nine euhydrated, cramp-prone participants had their cramp susceptibility assessed by measuring the nerve stimulation threshold frequency at which cramping occurs (TF) before and after consumption of an EB (kCal: 120, Na: 840 mg, K: 320 mg, Mg: 5 mg) and placebo beverage (PB: kCal: 5, Na: 35 mg). Cramp intensity was assessed using a verbal pain scale and poststimulation electromyography (EMG). RESULTS TF was greater in EB (14.86 ± 7.47 Hz) than PB (14.00 ± 5.03 Hz; P = .038) and reported pain was lower in EB (2.0 ± 0.6) than PB (2.7 ± 0.8; P = .025) while EMG was similar (P = .646). DISCUSSION EB consumption decreased cramp susceptibility and pain but did not prevent cramping in any participants. These results suggest that electrolyte consumption independent of hydration can influence cramp susceptibility in young people.
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The Effect of Hypo-Hydration on Mood and Cognition Is Influenced by Electrolyte in a Drink and Its Colour: A Randomised Trial.
Cousins, AL, Young, HA, Thomas, AG, Benton, D
Nutrients. 2019;(9)
Abstract
Traditionally, it has been thought necessary to lose 2% of body mass due to dehydration to disrupt functioning, although recently, adverse effects have been reported, with a loss of 0.5%-0.7%. It is, however, unclear whether the response to small reductions in mass reflects dehydration as homeostatic mechanisms are thought to be effective. As psychological responses are most commonly reported, it is strange that the possibility of a placebo response has not been considered. Individuals were therefore subject to a temperature of 30 °C for three hours, and mood and cognition were monitored. To consider changes in hydration status, drinks were compared, differing in their ability to rehydrate due to the presence or absence of electrolytes. The possibility of a placebo response was considered by comparing the response to plain or coloured water. Not drinking was disruptive, although a combination of plain water and electrolyte tended to be the most effective means of preventing a decline in mood, indicating a role for rehydration after a loss of 0.66% body mass. There was, however, also evidence of a placebo response: a combination of plain water and electrolyte tended to be better able to prevent a decline in mood than coloured water and electrolyte.
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Effects of dual plasma molecular adsorption system on liver function, electrolytes, inflammation, and immunity in patients with chronic severe hepatitis.
Chen, G, Wu, M, Wu, B, Liu, F, Liu, J, Liu, L
Journal of clinical laboratory analysis. 2019;(7):e22926
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Abstract
BACKGROUND To investigate the effects of dual plasma molecular adsorption system (DPMAS) on the liver function, electrolytes, inflammation, and immunity in patients with chronic severe hepatitis (CSH). METHODS Total of 162 patients with CSH treated in our hospital from March 2016 to December 2018 were enrolled and equally randomly divided into control group (n = 81) and observation group (n = 81). The patients in control group were treated with plasma exchange, while those in observation group were additionally treated with DPMAS based on the treatment in control group. The liver function, electrolytes, inflammation, and immunity were evaluated and compared between the two groups. RESULTS After treatment, the liver function indexes in observation group were significantly favorable compared with those in control group, with the reduction in TBIL, DBIL, ALT, and rise of CHE levels (P < 0.05). The levels of K+ , Na+ , Cl- , and Ca2+ in both groups were significantly improved after treatment (P < 0.05), although there were no significant differences between the two groups (P > 0.05). The levels of C-reactive protein (CRP), interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α) in both groups declined after treatment compared with those before treatment, and those levels in observation group were higher than that in control group (P < 0.05). After treatment, the levels of cluster of differentiation 3+ (CD3+ ), CD4+ , and CD4+ /CD8+ were higher in observation group than those in control group, with decreasing level of CD8+ (P < 0.05). CONCLUSION Dual plasma molecular adsorption system can effectively improve the liver function, effectively correct the electrolyte disorders, reduce the inflammatory response, and adjust the immunity in patients with CSH.
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Ingesting a 12% Carbohydrate-Electrolyte Beverage Before Each Half of a Soccer Match Simulation Facilitates Retention of Passing Performance and Improves High-Intensity Running Capacity in Academy Players.
Rodriguez-Giustiniani, P, Rollo, I, Witard, OC, Galloway, SDR
International journal of sport nutrition and exercise metabolism. 2019;(4):397–405
Abstract
This study investigated the influence of ingesting a 12% carbohydrate plus electrolyte (CHO-E) solution providing 60 g of carbohydrate before each half of a 90-min soccer match simulation (SMS) protocol on skill performance, sprint speed, and high-intensity running capacity. Eighteen elite academy (age: 18 ± 2 years) soccer players ingested two 250-ml doses (pre-exercise and at halftime) of a 12% CHO-E solution or electrolyte placebo administered in a double-blind randomized cross-over design. During an indoor (artificial grass pitch) SMS, dribbling, passing, and sprint performance were assessed, and blood was drawn for glucose and lactate analysis. High-intensity running capacity was assessed following the SMS. Dribbling speed/accuracy and sprint speed remained unchanged throughout the SMS. Conversely, passing accuracy for both dominant (mean percentage difference [95% confidence interval, CI]: 9 [3, 15]) and nondominant (mean percentage difference [95% CI]: 13 [6, 20]) feet was better maintained during the SMS on CHO-E (p < .05), with passing speed better maintained in the nondominant foot (mean percentage difference [95% CI]: 5.3 [0.7, 9.9], p = .032). High-intensity running capacity was greater in CHO-E versus placebo (mean percentage difference [95% CI]: 13 [6, 20], p = .010). Capillary blood glucose concentration was higher in CHO-E than placebo at halftime (CHO-E: 5.8 ± 0.5 mM vs. placebo: 4.1 ± 0.4 mM, p = .001) and following the high-intensity running capacity test (CHO-E: 4.9 ± 0.4 mM vs. placebo: 4.3 ± 0.4 mM, p = .001). Ingesting a 12% CHO-E solution before each half of a match can aid in the maintenance of soccer-specific skill performance, particularly on the nondominant foot, and improves subsequent high-intensity running capacity.