Effects of the use neuromuscular electrical stimulation of the lower extremities in the prehabilitation of patients in a before cardiac surgery

2021 ◽  
Vol 28 (Supplement_1) ◽  
Author(s):  
P Oleinik ◽  
AN Sumin ◽  
AV Bezdenezhnykh
Keyword(s):  
Cardiac Surgery ◽  
Handgrip Strength ◽  
Lower Extremities ◽  
Left Knee ◽  
Knee Extensors ◽  
Control Group ◽  
Elective Cardiac Surgery ◽  
Antagonist Muscles ◽  
Muscle Groups ◽  
Knee Flexors

Abstract Funding Acknowledgements Type of funding sources: Public hospital(s). Main funding source(s): Research Institute for Complex Issues of Cardiovascular Diseases Aim To evaluate the effects of neuromuscular electrostimulation in the prehabilitation and prevention of muscle weakness in patients awaiting cardiac surgery. Materials and methods 122 patients waiting for elective cardiac surgery were included. Exclusion criteria: age less than 25 and more than 80 years; emergency and urgent surgical interventions; arthropathies; low pain threshold; rhabdomyolysis and other myopathies; cognitive dysfunction. Routine laboratory and instrumental examinations were performed in all patients upon admission to the hospital, as part of a standard examination. 62 patients were randomly selected for the preoperative NMES group, in addition to the standard preoperative preparation and treatment program. The standard program included 60 control patients. Patients of the NMES group underwent quadriceps stimulation for at least 5 sessions, lasting 90 minutes, daily before surgery. Results. The groups were comparable and did not have significant differences in gender and age characteristics, according to the main clinical and anamnestic data and types of operations. Initially, there were no differences in the state of the muscles of the lower extremities, the distance of the six-minute walking test (6MWT), and the strength of the hand grip. After NMES, there was an increase in muscle strength relative to the control group, both stimulated muscle groups and unstimulated antagonist muscles, as well as a greater 6MWT distance and hand compression force. All the differences were significant. Conclusions The course of pre-rehabilitation of NMES before surgery, allowed to maintain, and in some cases improve the condition of the muscle frame of the lower extremities. A positive effect was observed not only in stimulated muscle groups, but also in antagonist muscles Indicators of muscle status NMES (n = 62) Control group (n = 60) Baseline Discharge Baseline Discharge P-level Right knee extensors strength (kg) 24,4 [18,3; 31,4] 30,4 [23,8; 36,2]* 24,7 [20,1; 33,2] 22,25 [18,9; 30,4] <0,001 Left knee extensors strength (kg) 23,8 [19,3; 31,3] 29,2 [23,6; 35,4]* 25,75 [19,2; 31,3] 22,9 [18,9; 27,8] <0,001 Right knee flexors strength (kg) 18,9 [13,3; 24,0] 21,7 [16,6; 25,1] 19,55 [13,1; 26,0] 16,7 [12,1; 23,3] 0,006 Left knee flexors strength (kg) 19,3 [14,3; 24,5] 21,9 [17,3; 26,7] 19,5 [13,0; 24,3] 18,2 [13,4; 22,2] 0,005 6-MWT (m) 300,0 [261,0; 371,0] 331,0 [280,0; 375,0] 304,5 [253,0; 380,0] 285,5 [246,0; 342,0] 0,006 Right handgrip strength (kg) 28,5 [20,5; 34,0] 31,5 [22,0; 34,0] 29,0 [19,0; 34,0] 27,0 [19,0; 33,0] 0,054 Left handgrip strength (kg) 25,0 [18,0; 31,0] 25,0 [18,0; 32,0] 24,0 [15,0; 31,0] 22,0 [14,0; 28,0] 0,062 * - p-level from baseline data < 0,05 Abstract Figure. dynamics of stimulated muscles

scholarly journals Neuromuscular electrical stimulation in early rehabilitation of patients with postoperative complications after cardiovascular surgery

2021 ◽  
Vol 28 (Supplement_1) ◽  
Author(s):  
P Oleinik ◽  
AN Sumin ◽  
AV Bezdenezhnykh
Keyword(s):  
Postoperative Complications ◽  
Cardiovascular Surgery ◽  
Handgrip Strength ◽  
Left Knee ◽  
Baseline Data ◽  
Knee Extensors ◽  
Federal State ◽  
Control Group ◽  
Initial Strength ◽  
Knee Flexors

Abstract Funding Acknowledgements Type of funding sources: Public hospital(s). Main funding source(s): Federal State Budgetary Scientific Institution Research Institute for Complex Issues of Cardiovascular Diseases Introduction The purpose was to evaluate the effectiveness of NMES in patients with complications after cardiac surgery. Methods This study was 37 patients who had significant postoperative complications after cardiovascular surgery. Participants were randomly - NMES group, n = 18; control, n = 19. It was not possible to blind the investigator. Analyzed basic clinical data. The dynamometry of the muscles upper and lower extremities was carried out, as well as a 6-minute walk test (6MWT). Also, the thickness of the quadriceps was measured using ultrasound.The patients underwent NMES on the quadriceps femoris muscle, daily from the third postoperative day, until discharge. The duration session was 90 minutes. Outcomes No differences were found in the baseline characteristics of the groups, including the results of laboratory and instrumental studies. Groups were comparable in the surgery and perioperative parameteres. The initial strength indicators also had no significant differences in the groups. At discharge knee extensors strength (KES) was significantly higher in the NMES group. The knee flexor strength (KFS) and handgrip strength (HF) increased the same in both groups. The quadriceps crosssectional area (CSA) muscle increased more in the NEMS group than in the control to the time of discharge. Average KES increased to a greater extent in the NMES group. At the same time, average and maximum KFS increased equally in both groups. A 6MWT before discharge did not show a difference between groups (P=.166). The NMES course did not affect the duration of hospitalisation (P=.429). Discussion This pilot study show beneficial effects of NMES on muscle strength in patients with complications after cardiovascular surgery. Physical tests initially and in dynamics NEMS Group (n = 18) Control group (n = 19) Baseline Discharge Baseline Discharge P-level Right knee extensors strength (kg) 20,3 [17,9; 26,1] 28,05 [23,8; 36,2] * 20,1 [18,6; 25,4] 22,3 [20,1; 27,1] * 0,004 Left knee extensors strength (kg) 17,75 [15,5; 27,0] 27,45 [22,3; 33,1] * 20,8 [17,5; 24,2] 22,5 [20,1; 25,9] * 0,017 Right knee flexors strength (kg) 14,85 [11,7; 19,5] 17,5 [14,1; 23,4] * 16,9 [13,1; 23,8] 19,2 [12,5; 26,4] * 0,971 Left knee flexors strength (kg) 14,7 [12,6; 19,6] 19,75 [15,9; 24,2] * 16,2, [10,4; 25,1] 18,8 [13,1; 27,7] * 0,889 6-MWT (m) 148,5 [108,5; 174,0] 288,0 [242,0; 319,0] * 169,0 [115,0; 217,0] 315,0 [277,0; 400,0] * 0,166 Right handgrip strength (kg) 24,5 [15,0; 33,0] 25,5 [19,0; 36,0] * 27,0 [18,0; 32,0] 30,0 [20,0; 35,0] * 0,795 Left handgrip strength (kg) 17,0 [12,0; 27,0] 21,0 [15,0; 31,0] * 19,0 [14,0; 29,0] 23,0 [16,0; 30,0] * 0,541 * - p-level from baseline data < 0,05 ** - p-level from baseline data ≥ 0,05

scholarly journals Isokinetic Profile of Elite Serbian Female Judoists

2021 ◽  
Vol 18 (13) ◽  
pp. 6988
Author(s):  
Wieslaw Blach ◽  
Miodrag Drapsin ◽  
Nemanja Lakicevic ◽  
Antonino Bianco ◽  
Tamara Gavrilovic ◽  
...  
Keyword(s):  
Knee Extensors ◽  
Training Experience ◽  
Lateral Asymmetry ◽  
National Team ◽  
Significant Difference ◽  
Judo Athletes ◽  
Muscle Groups ◽  
Torque Values ◽  
Training Modalities ◽  
Knee Flexors

Elite judo athletes undergo vigorous training to achieve outstanding results. In pursuit of achieving competitive success, the occurrence of injuries amongst judo athletes is not rare. The study aimed to perform a knee flexors and extensors isokinetic torque analysis in elite female judo athletes. Fifty-eight elite female judo athletes of the Serbian national team (21.02 ± 3.11 years; 62.36 ± 11.91 kg, 165.04 ± 10.24 cm, training experience 12.72 ± 2.98 years) volunteered to participate in this study. The range of motion (ROM) was set at 90⁰. Testing was performed in a concentric–concentric mode for the testing speed of 60 ⁰/s. Five maximal voluntary contractions of knee extensors and knee flexors muscle groups were measured for both legs. The obtained data showed a statistically significant difference in absolute torque values among different categories as heavier athletes demonstrated higher values. Post hoc analysis showed a significant difference between weight categories, as heavier athletes demonstrated higher values, while no significant differences in normalized torque values for different weight categories were observed. The implementation of new elements and training modalities may improve performance and prevent lateral asymmetry, thus reducing the risk of injury.

scholarly journals Development of Lower Extremity Strength in Ambulatory Children With Bilateral Spastic Cerebral Palsy in Comparison With Typically Developing Controls Using Absolute and Normalized to Body Weight Force Values

2021 ◽  
Vol 12 ◽  
Author(s):  
Nicolaos Darras ◽  
Eirini Nikaina ◽  
Magda Tziomaki ◽  
Georgios Gkrimas ◽  
Antigone Papavasiliou ◽  
...  
Keyword(s):  
Body Weight ◽  
Cerebral Palsy ◽  
Muscle Strength ◽  
Lower Limb ◽  
Age Groups ◽  
Knee Extensors ◽  
Spastic Cerebral Palsy ◽  
Typically Developing ◽  
Antagonist Muscles ◽  
Muscle Groups

This cross-sectional study aimed to examine the development of lower limb voluntary strength in 160 ambulatory patients with bilateral spastic cerebral palsy (CP) (106 diplegics/54 quadriplegics) and 86 typically developing (TD) controls, aged 7–16 years. Handheld dynamometry was used to measure isometric strength of seven muscle groups (hip adductors and abductors, hip extensors and flexors, knee extensors and flexors, and ankle dorsiflexors); absolute force (AF) values in pounds were collected, which were then normalized to body weight (NF). AF values increased with increasing age (p < 0.001 for all muscle groups), whereas NF values decreased through adolescence (p < 0.001 for all muscle groups except for hip abduction where p = 0.022), indicating that increases in weight through adolescence led to decreases in relative force. Both AF and NF values were significantly greater in TD subjects when compared with children with CP in all muscle and all age groups (p < 0.001). Diplegics and quadriplegics demonstrated consistently lower force values than TD subjects for all muscle groups, except for the hip extensors where TD children had similar values with diplegics (p = 0.726) but higher than quadriplegics (p = 0.001). Diplegic patients also exhibited higher values than quadriplegics in all muscles, except for the knee extensors where their difference was only indicative (p = 0.056). The conversion of CP subjects' force values as a percentage of the TD subjects' mean value revealed a pattern of significant muscle strength imbalance between the CP antagonist muscles, documented from the following deficit differences for the CP muscle couples: (hip extensors 13%) / (hip flexors 32%), (adductors 27%) / (abductors 52%), and (knee extensors 37%) / (knee flexors 53%). This pattern was evident in all age groups. Similarly, significant force deficiencies were identified in GMFCS III/IV patients when compared with TD children and GMFCS I/II patients. In this study, we demonstrated that children and adolescents with bilateral CP exhibited lower strength values in lower limb muscles when compared with their TD counterparts. This difference was more prevalent in quadriplegic patients and those with a more severe impairment. An important pattern of muscle strength imbalance between the antagonist muscles of the CP subjects was revealed.

Developmental Changes in Isometric Strength: Longitudinal Study in Adolescent Soccer Players

2018 ◽  
Vol 39 (09) ◽  
pp. 688-695 ◽  
Author(s):  
Joao Duarte ◽  
João Valente-dos-Santos ◽  
Manuel Coelho-e-Silva ◽  
R. Malina ◽  
Dieter Deprez ◽  
...  
Keyword(s):  
Skeletal Maturity ◽  
Isometric Strength ◽  
Fat Free Mass ◽  
Knee Extensors ◽  
Annual Increment ◽  
Systematic Assessment ◽  
Dependent Variables ◽  
Muscle Groups ◽  
Knee Muscle ◽  
Knee Flexors

AbstractThis study aimed to examine longitudinal changes in isometric strength of the knee extensors (ImKE) and knee flexors (ImKF) at 30° and 60°. The sample was composed of 67 players aged 11.0–13.9 years at baseline over five years. Stature, body mass, skinfolds, and isometric strength (ImKE30°, ImKF30°, ImKE60° and ImKF60°) were measured. Fat mass and fat-free mass (FFM) were derived from skinfolds. Skeletal age was obtained using TW2 RUS. Multilevel random effects regression analyses extracted developmental polynomial models. An annual increment on chronological age (CA) corresponded to 5.6 N (ImKE30°), 2.7 N (ImKF30°), 4.6 N (ImKE60°) and 1.5 N (ImKF60°). An increment of 1 kg in FFM predicted isometric strength as follows: 1.2 N (ImKE30°), 2.1 N (ImKF30°), 3.1 N (ImKE60°) and 2.0 N (ImKF60°). The following equations were obtained: ImKE30°=5.759×CA+1.163×FFM; ImKF30°=−19.369+2.691×CA+0.693×CA2+2.108×FFM; ImKE60°=4.553×CA+3.134×FFM; and, ImKF60°=-19.669+1.544×CA+2.033×FFM. Although skeletal maturity had a negligible effect on dependent variables, age and body size, based on FFM, were relevant longitudinal predictors. During adolescence, systematic assessment of knee extensors and knee flexors are strongly recommended to prevent impairment of knee muscle groups.

scholarly journals Isokinetic Testing: Sensitivity of the Force-Velocity Relationship Assessed through the Two-Point Method to Discriminate between Muscle Groups and Participants’ Physical Activity Levels

2020 ◽  
Vol 17 (22) ◽  
pp. 8570
Author(s):  
Danica Janicijevic ◽  
Olivera M. Knezevic ◽  
Amador Garcia-Ramos ◽  
Danilo Cvetic ◽  
Dragan M. Mirkov
Keyword(s):  
Physical Activity ◽  
Maximum Velocity ◽  
Point Method ◽  
Knee Extensors ◽  
Activity Levels ◽  
Force Output ◽  
Isokinetic Testing ◽  
Physical Activity Levels ◽  
Muscle Groups ◽  
Knee Flexors

Background: Isokinetic testing has been routinely used to assess the capacities of individual muscle groups. In this study we aimed to evaluate the sensitivity of the force-point (F-v) relationship assessed through the two-point method to discriminate between antagonist muscle groups and males with different physical activity levels. Methods: The concentric force output of the knee, hip, elbow, and shoulder flexors and extensors of 27 active and 13 non-active men was recorded at 60 and 180°/s to determine the F-v relationship parameters (maximum force [F0], maximum velocity [v0], and maximum power [Pmax]). Results: F0 and Pmax were higher for knee extensors (effect size [ES] = 1.97 and 0.57, respectively), hip extensors (ES = 2.52 and 0.77, respectively), and shoulder flexors (ES = 1.67 and 0.83, respectively) compared to their antagonist muscles, while v0 was higher for knee flexors compared to knee extensors (ES = 0.59). Active males revealed higher F0 for knee extensors (ES = 0.72) and knee flexors (ES = 0.83) and higher Pmax for knee flexors (ES = 0.70), elbow extensors (ES = 0.83) and shoulder extensors (ES = 0.36). Conclusions: The sensitivity of the two-point method for testing the maximal mechanical capacities was high for the knee, moderate for the hip and shoulder, and low for the elbow joint.

Efficacy of a Simple Intraoperative Transfusion Algorithm for Nonerythrocyte Component Utilization after Cardiopulmonary Bypass

2001 ◽  
Vol 94 (5) ◽  
pp. 773-781 ◽  
Author(s):  
Gregory A. Nuttall ◽  
William C. Oliver ◽  
Paula J. Santrach ◽  
Sandra Bryant ◽  
Joseph A. Dearani ◽  
...  
Keyword(s):  
Cardiac Surgery ◽  
Cardiopulmonary Bypass ◽  
Blood Loss ◽  
Operating Room ◽  
Prospective Trial ◽  
Median Number ◽  
Control Group ◽  
Coagulation Test ◽  
Elective Cardiac Surgery ◽  
Abnormal Bleeding

Background Abnormal bleeding after cardiopulmonary bypass (CPB) is a common complication of cardiac surgery, with important health and economic consequences. Coagulation test-based algorithms may reduce transfusion of non-erythrocyte allogeneic blood in patients with abnormal bleeding. Methods The authors performed a randomized prospective trial comparing allogeneic transfusion practices in 92 adult patients with abnormal bleeding after CPB. Patients with abnormal bleeding were randomized to one of two groups: a control group following individual anesthesiologist's transfusion practices and a protocol group using a transfusion algorithm guided by coagulation tests. Results Among 836 eligible patients having all types of elective cardiac surgery requiring CPB, 92 patients developed abnormal bleeding after CPB (incidence, 11%). The transfusion algorithm group received less allogeneic fresh frozen plasma in the operating room after CPB (median, 0 units; range, 0-7 units) than the control group (median, 3 units; range, 0-10 units) (P = 0.0002). The median number of platelet units transfused in the operating room after CPB was 4 (range, 0-12) in the algorithm group compared with 6 (range, 0-18) in the control group (P = 0.0001). Intensive care unit (ICU) mediastinal blood loss was significantly less in the algorithm group. Multivariate analysis demonstrated that transfusion algorithm use resulted in reduced ICU blood loss. The control group also had a significantly greater incidence of surgical reoperation of the mediastinum for bleeding (11.8% vs. 0%; P = 0.032). Conclusions Use of a coagulation test-based transfusion algorithm in cardiac surgery patients with abnormal bleeding after CPB reduced non-erythrocyte allogeneic transfusions in the operating room and ICU blood loss.

scholarly journals Muscle Torque and its Relation to Technique, Tactics, Sports Level and Age Group in Judo Contestants

2015 ◽  
Vol 45 (1) ◽  
pp. 167-175 ◽  
Author(s):  
Grzegorz Lech ◽  
Wiesław Chwała ◽  
Tadeusz Ambroży ◽  
Stanisław Sterkowicz
Keyword(s):  
Activity Index ◽  
The Body ◽  
Knee Joints ◽  
Knee Extensors ◽  
Muscle Torque ◽  
Relative Maximum ◽  
Muscle Groups ◽  
Level Of Significance ◽  
Muscle Torques ◽  
Knee Flexors

Abstract The aim of this study was to perform a comparative analysis of maximal muscle torques at individual stages of development of athletes and to determine the relationship between muscle torques, fighting methods and the level of sports performance. The activity of 25 judo contestants during judo combats and the effectiveness of actions were evaluated. Maximum muscle torques in flexors/extensors of the body trunk, shoulder, elbow, hip and knee joints were measured. The level of significance was set at p≤0.05; for multiple comparisons the Mann-Whitney U test, p≤0.016, was used. Intergroup differences in relative torques in five muscle groups studied (elbow extensors, shoulder flexors, knee flexors, knee extensors, hip flexors) were not significant. In cadets, relative maximum muscle torques in hip extensors correlated with the activity index (Spearman's r=0.756). In juniors, maximum relative torques in elbow flexors and knee flexors correlated with the activity index (r=0.73 and r=0.76, respectively). The effectiveness of actions correlated with relative maximum torque in elbow extensors (r=0.67). In seniors, the relative maximum muscle torque in shoulder flexors correlated with the activity index during the second part of the combat (r=0.821).

scholarly journals Clinical Outcomes and Cost of Ventilator Weaning and Endotracheal Extubation Guided by An Established Ventilator Weaning Protocol in Patients Undergoing Elective Cardiac Surgery

2021 ◽  
Vol 73 (12) ◽  
pp. 815-822
Author(s):  
Supanan Innok ◽  
Witchuda Dokphueng ◽  
Kamol Udol ◽  
Worawong Slisatkorn ◽  
Prasert Sawasdiwipachai
Keyword(s):  
Cardiac Surgery ◽  
Primary Outcome ◽  
Intervention Group ◽  
Ventilator Weaning ◽  
Control Group ◽  
Early Extubation ◽  
Elective Cardiac Surgery ◽  
Postoperative Intensive Care ◽  
Cardiovascular Care ◽  
Relevant Cost

Objective: To compare successful early extubation rates, complications, and cost before and after the use of anestablished ventilator weaning protocol in patients undergoing elective cardiac surgery.Materials and Methods: Subjects were adult patients undergoing elective cardiac surgery who were clinically stablewithin 2 hours after surgery. The control group underwent conventional ventilator weaning at the discretion of theirattending staff. The intervention group underwent protocol-guided ventilator weaning. The primary outcome wasa successful early extubation (within 6 hours after surgery). Secondary outcomes were complications from weaningto 24 hours after surgery, and the relevant cost related to respiratory and cardiovascular care within 24 hours afteradmission to the postoperative intensive care unit.Results: The primary outcome occurred in 37 out of 65 patients (56.9%) in the intervention group and in 5 out of65 patients (7.7%) in the control group (adjusted odds ratio 20.6; 95% confidence interval 6.7–62.9, p<0.001). Thecomplication rates were not statistically different between the intervention and control groups (26.2% vs. 20.0%,p=0.41). The relevant cost, approximated by the service charges, related to respiratory and cardiovascular care wassignificantly less in the intervention group than in the control group (median 2,491 vs. 2,711 Thai baht, p<0.001).Conclusion: The use of the established ventilator weaning protocol after elective cardiac surgery was associated witha higher rate of successful early extubation and lower cost related to respiratory and cardiovascular care comparedto the conventional practices of ventilator weaning and extubation. The rates of overall complications were notsignificantly different.

Muscle architecture and force-velocity relationships in humans

1984 ◽  
Vol 57 (2) ◽  
pp. 435-443 ◽  
Author(s):  
T. L. Wickiewicz ◽  
R. R. Roy ◽  
P. L. Powell ◽  
J. J. Perrine ◽  
V. R. Edgerton
Keyword(s):  
Peak Torque ◽  
Knee Extensors ◽  
Major Influence ◽  
Inhibitory Mechanism ◽  
Cross Sectional ◽  
Isokinetic Testing ◽  
Force Velocity ◽  
Muscle Groups ◽  
Knee Flexors

The in vivo torque-velocity relationships of the knee extensors (KE), knee flexors (KF), ankle plantarflexors (PF), and ankle dorsiflexors (DF) were determined in 12 untrained subjects using an isokinetic testing device (Cybex II). These data were then matched to the predicted maximum forces and shortening velocities derived from muscle architectural determinations made on three hemipelvectomies (36). The torque-velocity curves of all muscle groups resembled that predicted by Hill's (19, 20) equation except at the higher forces and lower velocities. The peak torques occurred at mean velocities ranging from 41–62 rad X s-1 for the KE, KF, and PF. Although the peak torque of the DF occurred at the isometric loading condition, it was also lower than that predicted by Hill's equation. The muscle fiber length and physiological cross-sectional area measurements indicate that the architecture of the human leg musculature has a major influence on the torque-velocity characteristics. These data corroborate previous findings (24) that some neural inhibitory mechanism exists in the control of the leg musculature, which limits the maximum forces that could be produced under optimal stimulating conditions.

scholarly journals The impact of preoperative education in satisfaction and postoperative outcomes of patients undergoing cardiac surgery

2019 ◽  
Vol 2 (1) ◽  
pp. 46
Author(s):  
Antonia Kalogianni ◽  
Georgios Georgiadis ◽  
Olga Katselou ◽  
Olga Kadda ◽  
Aikaterini Sotiropoulou ◽  
...  
Keyword(s):  
Cardiac Surgery ◽  
Intervention Group ◽  
Hospital Length ◽  
Postoperative Outcomes ◽  
Hospital Length Of Stay ◽  
Control Group ◽  
Patient Centered ◽  
Preoperative Education ◽  
Elective Cardiac Surgery ◽  
The Impact

Introduction: The effectiveness of preoperative education in postoperative course of cardiac surgery patients has been questioned. Aim: To estimate the impact of preoperative education in satisfaction and postoperative outcomes of patients undergoing cardiac surgery. Material and Method: A quasi-experimental trial was conducted. Sixty nine patients who admitted for elective cardiac surgery were divided randomly in intervention (34) and control group (35). Intervention group received written and verbal education based on patient centered communication by specially trained nurses. Patients’ satisfaction, postoperative complications and hospital length of stay (LOS) was measured. Results: Scores on all dimensions of satisfaction were greater for intervention group (p<0,001).No difference found for complications in intensive care unit (ICU) (p=0,150) in both groups. The total complications was lower (p=0,028) in intervention group with a lower proportion of arrhythmia (p=0,011). The median LOS in ICU was shorter for intervention group (p=0,035). No difference found in median hospital LOS in either group. Conclusions: Nurse-led preoperative education increases satisfaction of patients undergoing cardiac surgery and may have an effect on LOS shortening and complications control.

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