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Jiang Y, Lin J, Ding R, Li L, Chi H, Zhang L, Xia X, Yu Y, Pi H. A new risk predictive scoring system of vasovagal reactions in patients with preoperative autologous blood donation. Transfus Apher Sci 2023; 62:103791. [PMID: 37633760 DOI: 10.1016/j.transci.2023.103791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 08/16/2023] [Accepted: 08/21/2023] [Indexed: 08/28/2023]
Abstract
BACKGROUND AND OBJECTIVES Vasovagal response (VVR) is the most common adverse reaction during blood donation and it is the main element for the safety of the patients with preoperative autologous blood donation (PABD). Accurate identification high-risk group is of great significance for PABD. Our study aimed to establish a scoring system based on the nomogram to screen the high-risk population and provide evidence for preventing the occurrence of VVRs. MATERIALS AND METHODS A number of 4829 patients underwent PABD between July 2017 and June 2020 in the first medical center of Chinese PLA Hospital were recruited, 3387 of whom were included in the training group (70 %; 108 VVRs patients vs 3279 Non-VVRs patients), 1442 were included in the validation group (30 %; 46 VVRs patients vs 1396 Non-VVRs patients). The data were analyzed by univariate and multivariate logistic regression. The nomogram of the scoring system was created by using the RMS tool in R software. RESULTS Seven variables including BMI, hematocrit, pre-phlebotomy heart rate and systolic blood pressure, history of blood donation, age group and primary disease were selected to build the nomogram, which was shown as prediction model. And the score was 0-1 for BMI, 0-2 for hematocrit, systolic blood pressure, heart rate and no blood donation history, 0-10 for age, 0-3 for primary disease. When the total cutoff score was 11, the predictive system for identifying VVRs displayed higher diagnostic accuracy. The area under the curve, specificity, and sensitivity of the training group were 0.942, 82.41 % and 97.17 %, respectively, whereas those of the validation group were 0.836, 78.26 % and 78.15 %, respectively. CONCLUSION A risk predictive scoring system was successfully developed to identify high-risk VVRs group form PABD patients that performed well.
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Affiliation(s)
- Ying Jiang
- Transfusion Medicine Department, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Jie Lin
- Transfusion Medicine Department, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Ruiqing Ding
- Key Lab of High Confidence Software Technologies (Peking University), Ministry of Education School of Computer Science, Peking University, Beijing, China
| | - Lingling Li
- Transfusion Medicine Department, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Hongxu Chi
- Transfusion Medicine Department, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Leiying Zhang
- Transfusion Medicine Department, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Xingqiu Xia
- Beijing HealSci Technology Co., Ltd., Beijing, China
| | - Yang Yu
- Transfusion Medicine Department, The First Medical Center, Chinese PLA General Hospital, Beijing, China.
| | - Hongying Pi
- Health Service Training Center, Chinese PLA General Hospital, Beijing, China.
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Zhao P, Dong D, Dong R, Zhou Y, Hong Y, Xiao G, Li Z, Su X, Zheng X, Liu X, Zhang D, Li L, Liu Z. Development and validation of a nomogram for predicting the risk of vasovagal reactions after plasma donation. J Clin Apher 2023; 38:622-631. [PMID: 37466252 DOI: 10.1002/jca.22074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 06/21/2023] [Indexed: 07/20/2023]
Abstract
BACKGROUND AND OBJECTIVES Vasovagal reactions (VVRs) are the most common adverse reactions and are frequently associated with serious donor adverse events. Even mild VVRs can lead to a significant reduction in the likelihood of subsequent donations. The purpose of this study is to explore the factors related to the occurrence of VVRs after plasma donation and to construct a nomogram to identify individuals at risk for VVRs to improve the safety of plasma donors. MATERIALS AND METHODS We collected the donation data from July 2019 to June 2020 from a plasma center in Sichuan, China, to explore the independent risk factors for vasovagal reactions. From these data, we constructed and validated a predictive model for vasovagal reactions. RESULTS VVRs after plasma donation occurred 737 times in 120 448 plasma donations (0.66%). Gender, season, donor status, weight, pulse, duration of donation, and cycle were independent risk factors for VVRs (P< 0.05). The concordance index (C-index) of a logistic model in the derivation cohort was 0.916, with a Hosmer-Lemeshow goodness-of-fit probability of 0.795. The C-index of a logistic model in the validation cohort was 0.916, with a Hosmer-Lemeshow goodness-of-fit probability of 0.224. The calibration curve showed that the predicted results were in good agreement with the actual observed results. CONCLUSION This study preliminarily constructed and verified a prediction model for VVRs after plasma donation. The model nomogram is practical and can identify high-risk donors.
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Affiliation(s)
- Peizhe Zhao
- Department of Blood Transfusion, Taiyuan Blood Center, Taiyuan, Shanxi Province, People's Republic of China
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, Sichuan Province, People's Republic of China
- Key Laboratory of Transfusion Adverse Reactions, CAMS, Chengdu, Sichuan Province, People's Republic of China
| | - Demei Dong
- Department of Quality Control, Beijing Tiantan Biological Products Co., Ltd, Beijing, People's Republic of China
| | - Rong Dong
- Department of Plasma Apheresis, Jianyang Rongsheng Apheresis Plasma Co., Ltd, Jianyang, Sichuan Province, People's Republic of China
| | - Yuan Zhou
- Department of Blood Transfusion, Taiyuan Blood Center, Taiyuan, Shanxi Province, People's Republic of China
| | - Yan Hong
- Department of Plasma Apheresis, Shifang Rongsheng Apheresis Plasma Co., Ltd, Shifang, Sichuan Province, People's Republic of China
| | - Guanglin Xiao
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, Sichuan Province, People's Republic of China
| | - Zhiye Li
- Department of Blood Transfusion, Taiyuan Blood Center, Taiyuan, Shanxi Province, People's Republic of China
| | - Xuelin Su
- Department of Plasma Apheresis, Jianyang Rongsheng Apheresis Plasma Co., Ltd, Jianyang, Sichuan Province, People's Republic of China
| | - Xingyou Zheng
- Department of Plasma Apheresis, Jianyang Rongsheng Apheresis Plasma Co., Ltd, Jianyang, Sichuan Province, People's Republic of China
| | - Xia Liu
- Department of Plasma Apheresis, Jianyang Rongsheng Apheresis Plasma Co., Ltd, Jianyang, Sichuan Province, People's Republic of China
| | - Demei Zhang
- Department of Blood Transfusion, Taiyuan Blood Center, Taiyuan, Shanxi Province, People's Republic of China
| | - Ling Li
- Department of Blood Transfusion, Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan Province, People's Republic of China
| | - Zhong Liu
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, Sichuan Province, People's Republic of China
- Key Laboratory of Transfusion Adverse Reactions, CAMS, Chengdu, Sichuan Province, People's Republic of China
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Mason EC, Gaston JE, Pestell CF, Page AC. A comprehensive group-based cognitive behavioural treatment for blood-injection-injury phobia. BRITISH JOURNAL OF CLINICAL PSYCHOLOGY 2021; 61:494-509. [PMID: 34750831 DOI: 10.1111/bjc.12345] [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: 05/20/2021] [Revised: 09/14/2021] [Indexed: 11/26/2022]
Abstract
OBJECTIVES A key feature of blood-injection-injury (BII) phobia is activation of disgust responses, in addition to fear. Yet, standard treatments have largely neglected addressing disgust responses. The disorder is further complicated by fainting in 75% of sufferers. Moreover, treatments have been traditionally delivered in an individual format, which may not be as efficient as group treatment. The aim of this study was to develop a group-based programme for BII phobia, with components targeting fear, disgust, and fainting, to determine feasibility and effectiveness of such an intervention. METHODS Participants took part in an 8-session, group-based Cognitive Behavioural Therapy (CBT) programme for BII phobia (N = 40). The key outcome measure was the Multidimensional Blood/Injury Phobia Inventory, which assesses a range of phobic stimuli and responses (including fear, disgust, and fainting). RESULTS There were significant improvements, with large effect sizes, across symptoms over the course of treatment. Participants with higher disgust sensitivity reported higher pre-treatment symptom severity and greater life interference than those with lower disgust scores. Despite this, neither pre-treatment disgust sensitivity nor fainting history impacted on treatment response. For the first time, however, we showed that greater reductions in disgust to BII stimuli were associated with greater overall symptom reductions, highlighting the importance of disgust in the treatment of this disorder, and potentially others. CONCLUSION Despite the heterogeneous nature of BII phobia, this group-based, modified CBT intervention was effective in reducing a variety of phobic responses, including fear, disgust, and fainting. PRACTITIONER POINTS Disgust is a key maintaining factor in blood-injection-injury phobia, which clinicians should consider in their assessment and treatment of this disorder. There is little in the existing literature to guide clinicians in this regard. This study examined a novel group treatment for blood-injection-injury phobia which included strategies to target disgust, in addition to traditional CBT strategies to address fear and fainting. The treatment was feasible and acceptable. Symptoms of fear, disgust, and fainting reduced significantly over treatment. Changes in disgust symptoms were associated with overall symptom changes, however a control group is needed to determine the effects of individual treatment components and to make more robust conclusions about the benefits of this enhanced approach.
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Affiliation(s)
- Elizabeth C Mason
- Clinical Research Unit for Anxiety and Depression, St Vincent's Hospital, Darlinghurst, New South Wales, Australia
| | - Jonathan E Gaston
- Centre for Emotional Health, Department of Psychology, Macquarie University, North Ryde, New South Wales, Australia
| | - Carmela F Pestell
- School of Psychological Science, University of Western Australia, Perth, Western Australia, Australia
| | - Andrew C Page
- School of Psychological Science, University of Western Australia, Perth, Western Australia, Australia
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van Dijk JG, van Rossum IA, Thijs RD. The pathophysiology of vasovagal syncope: Novel insights. Auton Neurosci 2021; 236:102899. [PMID: 34688189 DOI: 10.1016/j.autneu.2021.102899] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 10/11/2021] [Accepted: 10/14/2021] [Indexed: 12/16/2022]
Abstract
The pathophysiology of vasovagal syncope (VVS) is reviewed, focusing on hemodynamic aspects. Much more is known about orthostatic than about emotional VVS, probably because the former can be studied using a tilt table test (TTT). Recent advances made it possible to quantify the relative contributions of the three factors that control blood pressure: heart rate (HR), stroke volume (SV) and total peripheral resistance (TPR). Orthostatic VVS starts with venous pooling, reflected in a decrease of SV. This is followed by cardioinhibition (CI), which is a decrease of HR that accelerates the ongoing decrease of BP, making the start of CI a literal as well as fundamental turning point. The role of hormonal and other humoral factors, respiration and of psychological influences is reviewed in short, leading to the conclusion that a multidisciplinary approach to the study of the pathophysiology of VVS may yield new insights.
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Affiliation(s)
- J Gert van Dijk
- Department of Neurology, Leiden University Medical Centre, Leiden, the Netherlands.
| | - Ineke A van Rossum
- Department of Neurology, Leiden University Medical Centre, Leiden, the Netherlands
| | - Roland D Thijs
- Department of Neurology, Leiden University Medical Centre, Leiden, the Netherlands; Stichting Epilepsie Instellingen Nederland, Heemstede, the Netherlands
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Abstract
OBJECTIVE Most of the research on vasovagal reactions has focused on the contributions of cardiovascular activity to the development of symptoms. However, other research suggests that additional mechanisms like hyperventilation may contribute to the process. The goal of the present investigation was to examine the influences of cardiovascular and respiratory variables on vasovagal symptoms. METHODS This study was part of a randomized controlled trial investigating the effects of behavioral techniques on the prevention of vasovagal reactions in blood donors. Data from the no-treatment control group were analyzed. The final sample was composed of 160 college and university students. Observational and self-report measures of symptoms were obtained. Physiological variables were measured mainly using respiratory capnometry. RESULTS Although respiration rate remained stable throughout donation, change in end-tidal carbon dioxide was associated with requiring treatment for a reaction during donation (odds ratio = 0.57, 95% confidence interval [CI] = 0.41 to 0.79, p = .001) and self-reported symptoms measured in the postdonation period using the Blood Donation Reactions Inventory (β = -0.152, 95% CI = -0.28 to -0.02, t = -2.32, p = .022). Individuals with higher levels of predonation anxiety displayed larger decreases in end-tidal carbon dioxide throughout the procedure (F(2,236) = 3.64, p = .043, ηp = 0.030). Blood Donation Reactions Inventory scores were related to changes in systolic (β = -0.022, 95% CI = -0.04 to -0.004, t = -2.39, p = .019) and diastolic blood pressure (β = -0.038, 95% CI = -0.06 to -0.02, t = -4.03, p < .001). CONCLUSIONS Although the vasovagal reaction has traditionally been viewed as a primarily cardiovascular event, the present results suggest that hyperventilation also plays a role in the development of vasovagal symptoms.
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Zavhorodnia VA, Androshchuk OI, Kharchenko TH, Kudii LI, Kovalenko SO. Haemodynamic effects of hyperventilation on healthy men with different levels of autonomic tone. REGULATORY MECHANISMS IN BIOSYSTEMS 2020. [DOI: 10.15421/022002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
The topicality of the research is stipulated by insufficient study of the correlation between the functional state of the cardiorespiratory system and autonomic tone. The goal of the research was to analyze the changes of central haemodynamics with 10-minute regulated breathing at the rate of 30 cycles per minute and within 40 minutes of recovery after the test in healthy young men with different levels of autonomic tone. Records of the chest rheoplethysmogram were recorded on a rheograph KhAI-medica standard (KhAI-medica, Kharkiv, Ukraine), a capnogram - in a lateral flow on a infrared capnograph (Datex, Finland), and the duration of R-R intervals was determined by a Polar WIND Link in the program of Polar Protrainer 5.0 (Polar Electro OY, Finland). Systolic and diastolic blood pressure were measured by Korotkov’s auscultatory method by mercury tonometer (Riester, Germany). The indicator of the normalized power of the spectrum in the range of 0.15–0.40 Hz was evaluated by 5-minute records; three groups of persons were distinguished according to its distribution at rest by the method of signal deviation, namely, sympathicotonic, normotonic and parasympathicotonic. The initial level of autonomic tone was found to impact the dynamics of СО2 level in alveolar air during hyperventilation and during recovery thereafter. Thus, PetCО2 was higher (41.3 mm Hg) in parasympathicotonic than in sympathicotonic (39.3 mm Hg) and normotonic (39.5 mm Hg) persons. During the test, R-R interval duration decreased being more expressed in normotonic persons. At the same time, the heart index was found to increase in three groups, and general peripheral resistance – to decrease mostly in normo- and parasympathicotonic persons. In addition, the reliable increase of stroke index and heart index was found in these groups. In the recovery period after hyperventilation, the decrease of tension index and ejection speed was found in normo- and, particularly, parasympathicotonic compared with sympathicotonic men and the increase of tension phase and ejection phase duration.
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Mennitto S, Harrison J, Ritz T, Robillard P, France CR, Ditto B. Respiration and applied tension strategies to reduce vasovagal reactions to blood donation: A randomized controlled trial. Transfusion 2018; 59:566-573. [DOI: 10.1111/trf.15046] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 09/26/2018] [Accepted: 09/26/2018] [Indexed: 11/29/2022]
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