Assessment of Blood Consumption score for pediatrics (ped-ABC score) predicts transfusion requirements for children with trauma.

2020 ◽  
Author(s):  
Akira Komori ◽  
Gautam A. Deshpande ◽  
Makoto Aoki ◽  
Daizoh Saitoh ◽  
Toshio Naito ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Systolic Blood Pressure ◽  
Vital Signs ◽  
Data Bank ◽  
C Statistic ◽  
Disturbance Of Consciousness ◽  
Life Saving ◽  
Transfusion Requirements ◽  
Japan Trauma Data Bank

Abstract Background Although transfusion is one of primary life-saving elements, the assessment of requirement for transfusion in children with trauma at an early phase has been challenging. We aimed to develop a scoring system for predicting transfusion requirements in children with trauma. Methods This is a retrospective cohort study, which employed a nationwide registry of patients with trauma (Japan Trauma Data Bank) and included the patients aged < 16 years with blunt trauma between 2004 and 2015. An Assessment of Blood Consumption score for pediatrics (ped-ABC score) was developed based on previous literatures and clinical relevance. One point was assigned for each of the following criteria: systolic blood pressure ≤ 90 mmHg; heart rate ≥ 120/min; Glasgow Coma Scale (GCS) < 15; and positive result on focused assessment with sonography for trauma (FAST) scan. For sensitivity analysis, we assessed age-adjusted ped-ABC scores using cut-off points for different ages. Results In total, 540 patients had transfusion within 24 hours after trauma among the eligible 5,943 pediatric patients with trauma. The in-hospital mortality rate was 2.6% (145/5,615). Transfusion increased from 7.6% (430/5,631) to 35.3% (110/312) in patients with systolic blood pressure ≤ 90 mmHg (1 point); from 6.1% (276/4,504) to 18.3% (264/1,439) for heart rate ≥ 120/min (1 point); from 4.1% (130/3,198) to 14.9% (410/2,745) for disturbance of consciousness with GCS < 15 (1 point); and from 7.4% (400/5,380) to 24.9% (140/563) for FAST positivity (1 point). The ped-ABC score of 0, 1, 2, 3, and 4 points were associated with the transfusion rates of 2.2% (48/2,210), 7.5% (198/2,628), 19.8% (181/912), 53.3% (88/165), and 89.3% (25/28), respectively. After age adjustment, c-statistic was 0.76 (95% CI, 0.74–0.78). Conclusions The ped-ABC score using the vital signs and FAST may be helpful in predicting the transfusion requirements within 24 hours for children with trauma.

Abstract 321: Pediatric Transfusion Score Predicts Transfusion Requirements for Children With Trauma

Circulation ◽  
2019 ◽  
Vol 140 (Suppl_2) ◽  
Author(s):  
Akira Komori ◽  
Toshikazu Abe ◽  
Gautam A Deshpande ◽  
Makoto Aoki ◽  
Toshio Naito
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Systolic Blood Pressure ◽  
Pediatric Trauma ◽  
Vital Signs ◽  
Area Under The Curve ◽  
Penetrating Trauma ◽  
Preschool Age ◽  
Trauma Patients ◽  
Transfusion Requirements

Introduction: Trauma is a leading cause of death in young populations. Transfusion is often a key life-saving element in cases of children with trauma. Nonetheless, clinicians may hesitate to use transfusion in children given the risks of complications. Hypothesis: A pediatric transfusion score can accurately predict 24-hour transfusion requirement in pediatric trauma patients. Methods: This is a retrospective cohort study using a nationwide registry of trauma patients (Japan Trauma Data Bank). All patients under 16 years of age with blunt or penetrating trauma between 2004 and 2015 were included. A pediatric transfusion score was developed based on previous literature and clinical relevance. One point was given for each of the following criteria: systolic blood pressure ≤ 90 mmHg; heart rate ≥ 120/min; Glasgow Coma Scale (GCS) < 15; and positive result on focused assessment with sonography for trauma (FAST) scan. For sensitivity analysis, age-adjusted pediatric transfusion score was also developed using cut off points for different age categories (infant, toddler, preschool age, school age, and adolescent). Results: Of the eligible 5,976 pediatric trauma patients, 550 patients had transfusion within 24 hours after trauma. In-hospital mortality rate was 2.6% (146/5,647). Transfusion increased from 7.7% (113/315) to 35.9% (437/5,661) in those with systolic blood pressure ≤ 90 mmHg (1 point); from 6.2% (280/4,526) to 18.6% (270/1,450) for heart rate ≥ 120/min (1 point); from 4.1% (113/3,220) to 15.1% (417/2,756) for altered mental status with GCS < 15 (1 point); and from 7.5% (403/5,404) to 25.7% (147/572) for FAST positivity (1 point). Pediatric transfusion scores of 0, 1, 2, 3, and 4 points were associated with transfusion rates of 2.2% (48/2,223), 7.5% (199/2,638), 20.3% (187/919), 53.9% (90/167), and 89.7% (26/29), respectively. The area under the curve (AUC) was 0.77 (95% CI, 0.75-0.79). For those without isolate head injury, it was 0.77 (95% CI, 0.75-0.80). After age adjustment, AUC was 0.76 (95% CI, 0.74-0.78). Conclusions: The pediatric transfusion score using vital signs and FAST may be helpful in predicting transfusion requirements within 24 hours for children with trauma.

scholarly journals FRI0618-HPR EFFECTS OF MUSIC THERAPY ON PAIN, ANXIETY, AND VITAL SIGNS IN CHRONIC INFLAMMATORY RHEUMATIC DISEASES PATIENTS DURING BIOLOGICAL DRUGS INFUSION

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 914.2-914
Author(s):  
S. Boussaid ◽  
M. Ben Majdouba ◽  
S. Jriri ◽  
M. Abbes ◽  
S. Jammali ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Music Therapy ◽  
Systolic Blood Pressure ◽  
Respiratory Rate ◽  
Vital Signs ◽  
Biological Therapies ◽  
Biological Drugs ◽  
Pain Anxiety ◽  
The Mean

Background:Music therapy is based on ancient cross-cultural beliefs that music can have a “healing” effect on mind and body. Research determined that listening to music can increase comfort and relaxation, relieve pain, lower distress, reduce anxiety, improve positive emotions and mood, and decrease psychological symptoms. Music therapy has been used greatly in various medical procedures to reduce associated anxiety and pain. Patients have a high level of anxiety when they are in the hospital, this is the case of patients with rheumatic diseases who consult regularly to have intravenous infusion of biological therapies.Objectives:The purpose of this study was to examine the effectiveness of music therapy on pain, anxiety, and vital signs among patients with chronic inflammatory rheumatic diseases during intravenous infusion of biological drugs.Methods:Fifty patients were divided into two groups: The experimental group G1 (n=25) received drug infusion while lestening to soft music (30 minutes); and the control group G2 (n=25) received only drug infusion. Measures include pain, anxiety, vital signs (blood pressure, heart rate and respiratory rate). The pain was measured using visual analogic scale (VAS). The state-trait anxiety inventory (STAI) was used for measuring anxiety, low anxiety ranges from 20 to 39, the moderate anxiety ranges from 40 to 59, and high anxiety ranges from 60 to 80. Vital signs (systolic blood pressure [SBP], diastolic blood pressure [DBP], heart rate [HR], and respiratory rate [RR]) were measured before, during and immediately after the infusion.Statistical package for social sciences (SPSS) was used for analysis.Results:The mean age in G1 was 44.45 years (26-72) with a sex ratio (M/F) of 0.8. Including the 25 patients, 12 had rheumatoid arthritis, 10 had ankylosing spondylitis and 3 had psoriatic arthritis. The mean disease duration was 8 years. In G2, the mean age was 46 years (25-70) with a sex ratio (M/F) of 0.75, 12 had rheumatoid arthritis, 11 had ankylosing spondylitis and 2 had psoriatic arthritis. The mean disease duration was 7.5 years. The biological drugs used were: Infliximab in 30 cases, Tocilizumab in 12 cases and Rituximab in 8 cases.Before the infusion, the patients of experimental group had a mean VAS of 5/10±3, a mean STAI of 50.62±6.01, a mean SBP of 13.6 cmHg±1.4, a mean DBP of 8.6 cmHg±1, a mean HR of 85±10 and a mean RR of 18±3. While in control group the mean VAS was 5.5±2, the mean STAI was 50.89±5.5, the mean SBP was 13.4±1.2, the mean DBP was 8.8±1.1, the mean HR was 82±8 and the mean RR was 19±2.During the infusion and after music intervention in G1, the mean STAI became 38.35±5 in G1 versus 46.7±5.2 in G2 (p value=0.022), the mean SBP became 12.1±0.5 in G1 versus 13±1 in G2 (p=0.035), the mean DBP became 8.1±0.8 in G1 versus 8.4±0.9 in G2 (p=0.4), the mean HR became 76±9 in G1 versus 78±7 in G2 (p=0.04) and the mean RR became 17.3±2.1 in G1 versus 18.2±1.7 in G2 (p=0.39).This study found a statistically significant decrease in anxiety, systolic blood pressure and heart rate in patients receiving music interventions during biological therapies infusion, but no significant difference were identified in diastolic blood pressure and respiratory rate.Conclusion:The findings provide further evidence to support the use of music therapy to reduce anxiety, and lower systolic blood pressure and heart rate in patients with rheumatic disease during biological therapies infusion.References:[1] Lin, C., Hwang, S., Jiang, P., & Hsiung, N. (2019).Effect of Music Therapy on Pain After Orthopedic Surgery -A Systematic review and Meta-Analysis. Pain Practice.Disclosure of Interests:None declared

Epinephrine syringe exchange events in a paediatric cardiovascular ICU: analysing the storm

2017 ◽  
Vol 28 (3) ◽  
pp. 409-415 ◽  
Author(s):  
Barbara-Jo Achuff ◽  
Jameson C. Achuff ◽  
Hwan H. Park ◽  
Brady Moffett ◽  
Sebastian Acosta ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Systolic Blood Pressure ◽  
Vital Signs ◽  
Syringe Exchange ◽  
Control Data ◽  
Flow Change ◽  
Exchange Event ◽  
The Hours ◽  
Pressure Perturbations

AbstractIntroductionHaemodynamically unstable patients can experience potentially hazardous changes in vital signs related to the exchange of depleted syringes of epinephrine to full syringes. The purpose was to determine the measured effects of epinephrine syringe exchanges on the magnitude, duration, and frequency of haemodynamic disturbances in the hour after an exchange event (study) relative to the hours before (control).Materials and methodsBeat-to-beat vital signs recorded every 2 seconds from bedside monitors for patients admitted to the paediatric cardiovascular ICU of Texas Children’s Hospital were collected between 1 January, 2013 and 30 June, 2015. Epinephrine syringe exchanges without dose/flow change were obtained from electronic records. Time, magnitude, and duration of changes in systolic blood pressure and heart rate were characterised using Matlab. Significant haemodynamic events were identified and compared with control data.ResultsIn all, 1042 syringe exchange events were found and 850 (81.6%) had uncorrupted data for analysis. A total of 744 (87.5%) exchanges had at least 1 associated haemodynamic perturbation including 2958 systolic blood pressure and 1747 heart-rate changes. Heart-rate perturbations occurred 37% before exchange and 63% after exchange, and 37% of systolic blood pressure perturbations happened before syringe exchange, whereas 63% occurred after syringe exchange with significant differences found in systolic blood pressure frequency (p<0.001), duration (p<0.001), and amplitude (p<0.001) compared with control data.ConclusionsThis novel data collection and signal processing analysis showed a significant increase in frequency, duration, and magnitude of systolic blood pressure perturbations surrounding epinephrine syringe exchange events.

scholarly journals Characterization of Dexmedetomidine Dosing and Safety in Neonates and Infants

2015 ◽  
Vol 20 (2) ◽  
pp. 112-118 ◽  
Author(s):  
Lauren M. Estkowski ◽  
Jennifer L. Morris ◽  
Elizabeth A. Sinclair
Keyword(s):  
Blood Pressure ◽  
Intensive Care Unit ◽  
Heart Rate ◽  
Intensive Care ◽  
Systolic Blood Pressure ◽  
Vital Signs ◽  
Pediatric Intensive Care ◽  
Neonates And Infants ◽  
To Receive

OBJECTIVES: To describe and compare off-label use and cardiovascular (CV) adverse effects of dexmedetomidine in neonates and infants in the pediatric intensive care unit (PICU). METHODS: Patients younger than 12 months with corrected gestational ages of at least 37 weeks who were receiving continuous infusion of dexmedetomidine at a tertiary pediatric referral center between October 2007 and August 2012 were assessed retrospectively. Patients were excluded if dexmedetomidine was used for procedural sedation, postoperative CV surgery, or if postanesthesia infusion weaning orders existed at the time of PICU admission. RESULTS: The median minimum dexmedetomidine dose was similar between infants and neonates at 0.2 mcg/kg/hr (IQR, 0.17–0.3) versus 0.29 mcg/kg/hr (IQR, 0.2–0.31), p = 0.35. The median maximum dose was higher for infants than neonates (0.6 mcg/kg/hr [IQR, 0.4–0.8] vs. 0.4 mcg/kg/hr [IQR, 0.26–0.6], p &lt; 0.01). Additional sedative use was more common in infants than neonates (75/99 [76%] vs. 15/28 [54%], p = 0.02). At least 1 episode of hypotension was noted in 34/127 (27%) patients and was similar between groups. An episode of bradycardia was identified more frequently in infants than neonates (55/99 [56%] vs. 2/28 [7%], p &lt; 0.01). Significant reduction in heart rate and systolic blood pressure was noted when comparing baseline vital signs to lowest heart rate and systolic blood pressure during infusion (p &lt; 0.01). CONCLUSIONS: Dexmedetomidine dose ranges were similar to US Food and Drug Administration–labeled dosages for intensive care unit sedation in adults. More infants than neonates experienced a bradycardia episode, but infants were also more likely to receive higher dosages of dexmedetomidine and additional sedatives.

scholarly journals Trajectories of vital status parameters and risk of mortality among acute organophosphorus poisoning patients – a latent class growth analysis

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Waqas Ahmed Farooqui ◽  
Mudassir Uddin ◽  
Rashid Qadeer ◽  
Kashif Shafique
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Systolic Blood Pressure ◽  
Respiratory Rate ◽  
Oxygen Pressure ◽  
Latent Class ◽  
Vital Signs ◽  
Partial Oxygen Pressure ◽  
Risk Of Mortality ◽  
Partial Oxygen

Abstract Background Acute organophosphorus (OP) poisoning is one of the major causes of mortality among patients presenting to emergency departments in developing countries. Although various predictors of mortality among OP poisoning patients have been identified, the role of repeated measurements of vital signs in determining the risk of mortality is not yet clear. Therefore, the present study examined the relationship between trajectories of vital signs and mortality among OP poisoning patients using latent class growth analysis (LCGA). Methods This was a retrospective cohort study using data for 449 OP poisoning patients admitted to Civil-Hospital Karachi from Aug’10 to Sep’16. Demographic data and vital signs, including body temperature, blood pressure, heart rate, respiratory rate, and partial-oxygen pressure, were retrieved from medical records. The trajectories of vital signs were formed using LCGA, and these trajectories were applied as independent variables to determine the risk of mortality using Cox-proportional hazards models. P-values of < 0.05 were considered statistically significant. Results Data for 449 patients, with a mean age of 25.4 years (range 13–85 years), were included. Overall mortality was 13.4%(n = 60). In trajectory analysis, a low-declining systolic blood pressure, high-declining heart rate trajectory, high-remitting respiratory rate trajectory and normal-remitting partial-oxygen pressure trajectory resulted in the greatest mortality, i.e. 38.9,40.0,50.0, and 60.0%, respectively, compared with other trajectories of the same parameters. Based on multivariable analysis, patients with low-declining systolic blood pressure were three times [HR:3.0,95%CI:1.2–7.1] more likely to die compared with those who had a normal-stable systolic blood pressure. Moreover, patients with a high-declining heart rate were three times [HR:3.0,95%CI:1.5–6.2] more likely to die compared with those who had a high-stable heart rate. Patients with a high-remitting respiratory rate were six times [HR:5.7,95%CI:1.3–23.8] more likely to die than those with a high-stable respiratory rate. Patients with normal-remitting partial oxygen pressure were five times [HR:4.7,95%CI:1.4–15.1] more likely to die compared with those who had a normal-stable partial-oxygen pressure. Conclusion The trajectories of systolic blood pressure, heart rate, respiratory rate and partial-oxygen pressure were significantly associated with an increased risk of mortality among OP poisoning patients.

Validation of the Pediatric Physiological and Anatomical Triage Score in Injured Pediatric Patients

2019 ◽  
Vol 34 (04) ◽  
pp. 363-369
Author(s):  
Takashi Muguruma ◽  
Chiaki Toida ◽  
Shintaro Furugori ◽  
Takeru Abe ◽  
Ichiro Takeuchi
Keyword(s):  
Pediatric Patients ◽  
Injury Severity ◽  
Vital Signs ◽  
Data Bank ◽  
Medical Treatments ◽  
Priority Ranking ◽  
Life Saving ◽  
Revised Trauma Score ◽  
Trauma Score ◽  
Japan Trauma Data Bank

AbstractIntroduction:Triaging plays an important role in providing suitable care to a large number of casualties in a disaster setting. A Pediatric Physiological and Anatomical Triage Score (PPATS) was developed as a new secondary triage method. This study aimed to validate the accuracy of the PPATS in identifying injured pediatric patients who are admitted at a high frequency and require immediate treatment in a disaster setting. The PPATS method was also compared with the current triage methods, such as the Triage Revised Trauma Score (TRTS).Methods:A retrospective review of pediatric patients aged ≤15 years, registered in the Japan Trauma Data Bank (JTDB) from 2012 through 2016, was conducted and PPATS was performed. The PPATS method graded patients from zero to 22, and was calculated based on vital signs, anatomical abnormalities, and the need for life-saving interventions. It categorized patients based on their priority, and the intensive care unit (ICU)-indicated patients were assigned a PPATS ≥six. The accuracy of PPATS and TRTS in predicting the outcome of ICU-indicated patients was compared.Results:Of 2,005 pediatric patients, 1,002 (50%) were admitted to the ICU. The median age of the patients was nine years (interquartile range [IQR]: 6-13 years). The sensitivity and specificity of PPATS were 78.6% and 43.7%, respectively. The area under the receiver-operating characteristic (ROC) curve (AUC) was larger for PPATS (0.61; 95% confidence interval [CI], 0.59-0.63) than for TRTS (0.57; 95% CI, 0.56-0.59; P &lt;.01). Regression analysis showed a significant correlation between PPATS and the Injury Severity Score (ISS; r2 = 0.353; P &lt;.001), predicted survival rate (r2 = 0.396; P &lt;.001), and duration of hospital stay (r2 = 0.252; P &lt;.001).Conclusion:The accuracy of PPATS for injured pediatric patients was superior to that of current secondary triage methods. The PPATS method is useful not only for identifying high-priority patients, but also for determining the priority ranking for medical treatments and evacuation.

scholarly journals Evaluation of Vital Signs’ Fluctuations and Behavioral Responses in the Assessment of Pain in Patients With Traumatic Brain Injury

2020 ◽  
Author(s):  
atefeh ghanbari ◽  
Ezzat Paryad ◽  
Arefe safati ◽  
Ehsan Kazemnezhad Leyli ◽  
Elaheh Parsasalkisari
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Systolic Blood Pressure ◽  
Diastolic Blood Pressure ◽  
Arterial Oxygen Saturation ◽  
Vital Signs ◽  
Behavioral Responses ◽  
Arterial Oxygen ◽  
Significant Difference ◽  
Pain Detection

Abstract BackgroundTraumatic brain-injured (TBI) patients suffer severe pain. The assessment of behavioral responses and vital signs seems to be necessary for pain detection in these patients, a matter that this study aims to evaluate.MethodsThis cross sectional study uses repeated measures and included ninety-seven TBI patients from Poorsina hospital, Rasht, Iran. Patients’ relevant parameters were recorded using demographic checklist, specifications related to the disease, RASS, CPOT, and FPT tools. The data subsequently were entered into SPSS software V. 21 and were analyze using several tests including Bonferroni’s inferential test and Greenhouse-Geisser test, multiple analysis regression coefficient and general linear model by GEE method.ResultsThe average age of patients was 42.3 ± 18.2. The average consciousness level was 9.30 ± 2.96. There was significant difference between the painful and non-painful stimulations in heart rate, systolic blood pressure and diastolic blood pressure (p <0.001). Heart rate (p < 0.001, r = 0.253), number of respiration (p < 0.001, r = 0.173), systolic (p = 0.002, r = 0.128) and diastolic (p<0.001, r=0.223) blood pressures had a positive correlation with behavioral responses. However, the arterial oxygen saturation showed a negative correlation with behavioral responses (p < 0.001, r = -0.361). Statistical models demonstrated a significant direct relationship between CPOT with heart rate (β = 2.39, p < 0.001) and both systolic blood pressure (β= 1.31, p=0.002) and the fluctuations of diastolic blood pressure (β = 0.690, p = 0.009). ConclusionIt seems that behavioral responses are appropriate indices for pain detection. However, vital signs are not capable of being considered as proper indexes for pain assessment since they changed during several procedures while remained unchanged in other tests.

scholarly journals Exercise Induced Changes of Vital Signs in Adults with Sickle Cell Disease

Blood ◽  
2020 ◽  
Vol 136 (Supplement 1) ◽  
pp. 59-60
Author(s):  
Solomon Johnson ◽  
Victor R. Gordeuk ◽  
Roberto Machado ◽  
J Simon R Gibbs ◽  
Mariana Hildesheim ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Pulmonary Hypertension ◽  
Systolic Blood Pressure ◽  
Vital Sign ◽  
Research Funding ◽  
Systolic Pressure ◽  
Vital Signs ◽  
Left Ventricular ◽  
Sign Change

The six-minute walk test (6MWT) is a well-established assessment of the cardiopulmonary function of sickle cell disease (SCD) patients. The test is used for people with SCD who are suspected of having hypoxia or an elevated estimated pulmonary arterial systolic pressure, which increases the risk for early death. Low 6MWT distances are associated with cardiopulmonary compromise. Six-minute walk distance examination has been proposed as a screening test, used in conjunction with plasma levels of brain natriuretic peptide and Doppler-echocardiography, through which to identify high-risk patients. Post-exercise tachycardia or lack of heart rate recovery following a 6MWT has been shown to be a predictor of pulmonary hypertension and mortality in people with pulmonary fibrosis. A rise in blood pressure after exercise is associated with impaired capacity for vasodilation in ischemic heart disease. The prognostic significance of patterns of vital sign change in adult SCD patients completing the 6MWT is currently unknown. In this study, we aimed to assess the distribution and predictors of vital sign change during 6MWT in adult SCD patients and test the association of these changes with patient survival. Data from a multinational observational study of SCD patients (Walk-PhassT), was used to calculate the change in vital signs (heart rate, O2 saturation, systolic blood pressure, diastolic blood pressure, pulse pressure) normalized for walk distance, after a 6MWT. Bivariate and LASSO regression analyses were performed to ascertain the significant predictors of change in each vital sign, in addition to Cox proportional hazard analysis to assess the impact of vital sign change and time to death. The median age of the 630 adult SCD patients was 37 years. 47% were male, 77% had the HbSS phenotype, and 22 (3.7% of 592 with follow-up data) died during a median time of follow up of 29 months. The most frequent changes in vital signs identified were increases in the heart rate (90%) followed by increases in systolic blood pressure (77%, Table 1b). Bivariate analysis revealed significant but weak positive correlations between tricuspid regurgitation velocity (TRV) and increases in both heart rate (r= 0.08; p&lt;0.05) and systolic blood pressure (r=0.13; p=0.002), as well as decreases in O2 saturation (r=-0.09; p=0.03). Significant positive correlations were also identified between increases in pulse pressure and TRV (r=0.14; p=0.001), left ventricular mass index (r=0.10, p=0.02), and a composite index of hemolysis (r=0.09; p =0.03). Pulse pressure increased more during 6MWT in patients with self-reported pulmonary hypertension than patients without pulmonary hypertension (median 1.6 vs. 1.3 per 100-meter walk, p=0.04); while heart rate increased less (median 3.4 vs. 4.3 per 100-meter walk, p=0.04). LASSO models selected TRV and markers of hemolysis as predictors of O2 desaturation, while higher left ventricular ejection fraction and non-SS genotypes were predictors of lesser O2 desaturation, during the 6MWT. Both older age and higher left ventricular volume were associated with reduction of diastolic blood pressure during 6MWT (Table 1a). In survival analysis, after adjusting for TRV and N-terminal pro-brain natriuretic peptide concentration, any increase in systolic blood pressure during the 6MWT was associated with better survival (hazard ratio=0.3, p=0.019, Table 1b). These findings support links between changes of vital signs during the 6MWT and established markers of hemolysis and cardiovascular dysfunction in SCD patients. Evidence of a protective effect of increased systolic pressure is a novel finding. This might indicate that the ability to increase systolic pressure during submaximal exercise relates to cardiac output and conveys a physiological advantage for SCD patients. These findings could be used as the basis for future mechanistic studies of exercise effects on cardiovascular function in SCD patients. Disclosures Gordeuk: Imara: Research Funding; Global Blood Therapeutics: Consultancy, Research Funding; Novartis: Consultancy; CSL Behring: Consultancy, Research Funding; Ironwood: Research Funding. Gibbs:Pfizer: Consultancy; United Therapeutics: Consultancy; MSD: Consultancy; GSK: Consultancy; Complexa: Consultancy; Bayer: Consultancy; Actelion: Consultancy; Acceleron: Consultancy. Little:BioChip Labs: Patents & Royalties: SCD Biochip (patent, no royalties); GBT: Membership on an entity's Board of Directors or advisory committees; NHLBI: Research Funding; Hemex Health, Inc.: Patents & Royalties: Microfluidic electropheresis (patent, no royalties); Bluebird Bio: Research Funding; GBT: Research Funding.

scholarly journals Association between Objectively Measured Physical Activity and Arterial Stiffness in Children with Congenital Heart Disease

2021 ◽  
Vol 10 (15) ◽  
pp. 3266
Author(s):  
Laura Willinger ◽  
Leon Brudy ◽  
Renate Oberhoffer-Fritz ◽  
Peter Ewert ◽  
Jan Müller
Keyword(s):  
Physical Activity ◽  
Blood Pressure ◽  
Heart Rate ◽  
Congenital Heart Disease ◽  
Heart Disease ◽  
Arterial Stiffness ◽  
Systolic Blood Pressure ◽  
Congenital Heart ◽  
Z Score ◽  
Objectively Measured

Background: The association between physical activity (PA) and arterial stiffness is particularly important in children with congenital heart disease (CHD) who are at risk for arterial stiffening. The aim of this study was to examine the association between objectively measured PA and arterial stiffness in children and adolescents with CHD. Methods: In 387 children and adolescents with various CHD (12.2 ± 3.3 years; 162 girls) moderate-to-vigorous PA (MVPA) was assessed with the “Garmin vivofit jr.” for 7 consecutive days. Arterial stiffness parameters including pulse wave velocity (PWV) and central systolic blood pressure (cSBP) were non-invasively assessed by oscillometric measurement via Mobil-O-Graph®. Results: MVPA was not associated with PWV (ß = −0.025, p = 0.446) and cSBP (ß = −0.020, p = 0.552) in children with CHD after adjusting for age, sex, BMI z-score, peripheral systolic blood pressure, heart rate and hypertensive agents. Children with CHD were remarkably active with 80% of the study population reaching the WHO recommendation of average 60 min of MVPA per day. Arterial stiffness did not differ between low-active and high-active CHD group after adjusting for age, sex, BMI z-score, peripheral systolic blood pressure, heart rate and hypertensive agents (PWV: F = 0.530, p = 0.467; cSBP: F = 0.843, p = 0.359). Conclusion: In this active cohort, no association between PA and arterial stiffness was found. Longer exposure to the respective risk factors of physical inactivity might be necessary to determine an impact of PA on the vascular system.

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