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https://russjcardiol.elpub.ru doi:10.15829/1560-4071-2020-4036
ISSN 1560-4071 (print) ISSN 2618-7620 (online)
Decreased arterial compliance assessed by aortic pulse wave velocity is an important parameter for monitoring of blood pressure in patients with chronic inflammatory diseases
Yilmaz Ak. H.1, Ozsahin Y.1, Baskurt Aladag N.2, Gencoglu F.1, Sahin Yildiz B.2, Haberal I.1, Koyuncu A. O.1, Yildiz M.1
Aim. Patients with chronic inflammatory diseases (CID), such as rheumatoid arthritis (RA) and familial Mediterranean fever (FMF) are more likely to have higher risk of cardiac events. Pulse wave velocity (PWV) can be used to measure the aortic dis-tensibility and it is known as inversely related to the arterial compliance. Increased aortic stiffness which is assessed by PWV, is seem to be associated with arterial blood pressure. In this study, we investigated the arterial compliance by PWV in patients with CID including RA and FMF
Material and methods. We studied 25 patients with RA, 33 patients with FMF and 31 healthy subjects without a history of any cardiovascular risk factors such as hypertension, diabetes mellitus, hyperlipidaemia (89 subjects in total). We measured the arterial compliance by automatic carotid-femoral (aortic) PWV using Complior Colson (France) device. PWV (m/s) = distance (m)/transit time(s). Results. It is seen that, patients with CID have higher carotid-femoral (aortic) PWV (8,76±2,09 vs 8,07±0,94 m/s) compared to control groups (p=0,03). There were significant correlations between PWV and age, body-mass index, systolic blood pressure, diastolic blood pressure and mean blood pressure. (p<0,001, r=0,65; p<0,001, r=0,36; p<0,001, r=0,42; p<0,001, r=0,46; p<0,001, r=0,48, respectively). Conclusion. Arterial compliance, which is assessed by carotid-femoral (aortic) PWV, is decreased in patients with CID such as RA and FMF when it is compared to healthy control group.
Key words: arterial elasticity, pulse wave velocity, chronic inflammatory disease. Relationships and Activities: none.
11stanbul University-Cerrahpasa Cardiology Institute, Istanbul; 2Dr. Lutfi Kirdar Kartal Educational and Research Hospital, Istanbul, Turkey.
Yilmaz Ak. H.* — Department of Anesthesiology and Reanimation, ORCID: 00000002-8682-6254, Ozsahin Y — Department of Anesthesiology and Reanimation, ORCID: none, Baskurt Aladag N. — Department of Internal Medicine, ORCID: none, Gencoglu F. — Department of Cardiovascular Surgery, ORCID: none, Sahin Yildiz B. — Department of Internal Medicine, ORCID: none, Haberal I. — Department of Cardiovascular Surgery, ORCID: none, Koyuncu A. O. — Department of Cardiovascular Surgery. ORCID: none, Yildiz M. — Department of Cardiology, ORCID: none.
'Corresponding author: hlyyilmazz@hotmail.com
Received: 28.07.2020 Revision Received: 01.09.2020 Accepted: 02.09.2020
For citation: Yilmaz Ak. H., Ozsahin Y, Baskurt Aladag N., Gencoglu F, Sahin Yildiz B., Haberal I., Koyuncu A. O., Yildiz M. Decreased arterial compliance assessed by aortic pulse wave velocity is an important parameter for monitoring of blood pressure in patients with chronic inflammatory diseases. Russian Journal of Cardiology. 2020;25(12):4036. (In Russ.) doi:10.15829/1560-4071-2020-4036 ■■■
Снижение податливости аортальной стенки как важный параметр мониторинга артериального давления у пациентов с хроническими воспалительными заболеваниями
Yilmaz Ак. И.1, С^эаЫп У1, ВавкиИ АМад Ы.2, Оепсод!и Р.1, БаЫп В.2, ИаЬега! I.1, Коуипси А. О.1, М.1
Цель. Пациенты с хроническими воспалительными заболеваниями, такими как ревматоидный артрит (РА) и семейная средиземноморская лихорадка (ССЛ), имеют более высокий риск развития сердечно-сосудистых событий. Скорость распространения пульсовой волны (СРПВ) может использоваться для оценки растяжимости (distensibility) аортальной стенки, которая, в свою очередь, обратно пропорциональна податливости (compliance). Повышение жесткости аортальной стенки, оцениваемое с помощью СРПВ, вероятно связано с артериальным давлением (АД). В настоящей работе мы исследовали артериальную податливость у пациентов с хроническими воспалительными заболеваниями, включая РА и ССЛ.
Материал и методы. В исследование были включены 25 пациентов с РА, 33 пациента с ССЛ и 31 здоровый доброволец без каких-либо факторов риска сердечно-сосудистых заболеваний, таких как артериальная гипертензия, сахарный диабет, гиперлипидемия. Артериальную податливость определяли на основании оценки каротидно-феморальной СРПВ с помощью системы Complior Colson (Франция). СРПВ (м/с) = расстояние (м)/время распространения (с). Результаты. У пациентов с хроническими воспалительными заболеваниями отмечена более высокая каротидно-феморальная СРПВ (8,76±2,09 vs 8,07±0,94 м/с), по сравнению с контрольной группой (р=0,03). Регистрировалась статистически значимая корреляция СРПВ с возрастом, индексом массы тела, систолическим, диастолическим и средним АД (p<0,001, r=0,65; p<0,001, r=0,36; p<0,001, r=0,42; p<0,001, r=0,46; p<0,001, r=0,48, соответственно).
Заключение. Результаты исследования продемонстрировали, что артериальная податливость, оцениваемая на основании каротидно-феморальной СРПВ, снижается у пациентов с хроническими воспалительными заболеваниями, такими как РА и ССЛ, по сравнению с контрольной группой.
Ключевые слова: артериальная эластичность, скорость пульсовой волны, хроническое воспалительное заболевание.
Отношения и деятельность: нет.
11stanbul University-Cerrahpasa Cardiology Institute, Стамбул; 2Dr. Lutfi Kirdar Kartal Educational and Research Hospital, Стамбул, Турция.
Yilmaz Ak. H.* — Department of Anesthesiology and Reanimation, ORCID: 0000-00028682-6254, Ozsahin Y — Department of Anesthesiology and Reanimation, ORCID: нет, Baskurt Aladag N. — Department of Internal Medicine, ORCID: нет, Gencoglu F — Department of Cardiovascular Surgery, ORCID: нет, Sahin Yildiz B. — Department of Internal Medicine, ORCID: нет, Haberal I. — Department of Cardiovascular Surgery, ORCID: нет, Koyuncu A. O. — Department of Cardiovascular Surgery, ORCID: нет, Yildiz M. — Department of Cardiology, ORCID: нет.
*Автор, ответственный за переписку (Corresponding author): hlyyilmazz@hotmail.com
CID — chronic inflammatory diseases, FMF — familial Mediterranean fever, PWV — pulse wave velocity, RA — rheumatoid arthritis, BMI — body mass index, SBP — systolic blood pressure, DBP — diastolic blood pressure, MBP — mean blood pressure.
Рукопись получена 28.07.2020 Рецензия получена 01.09.2020 Принята к публикации 02.09.2020
Chronic immune and inflammatory diseases can present many complex problems for the cardiology, cardio-thoracic surgery and anesthesiology practice. Rheumatoid arthritis (RA) and familial Mediterranean fever (FMF) are related with increased risk of cardiac events [1]. Endothelial dysfunction, which is also an early stage of atherosclerotic process, is associated with chronic inflammation [2]. When the arterial wall is damaged due to atherosclerosis, arterial stiffness increases, on the other hand arterial elasticity and compliance decreases [3]. Pulse wave velocity (PWV), inversely correlated with arterial distensibility and relative arterial compliance, is a non-invasive technique that helps to measure and understand such effects on the arterial system [3, 4]. Animal and pre-operative studies suggested that PWV as arterial blood pressure changes with different hemodynamic conditions [5]. Increases in arterial blood pressure, heart rate, and systemic vascular resistance were associated with higher values for PWV in cardiothoracic surgical patients [6]. In this study, we investigated the arterial compliance by using PWV, especially in patients with chronic inflammatory diseases (CID), such as RA and FMF.
Material and methods
This cross-sectional study has a total number of 89 subjects including RA (25) who are diagnosed according to 2010 ACR/EULAR Classification Criteria for RA [7] and FMF (33) according to the Simplified FMF diagnosis criteria [8] and healthy subjects (31). All of the patients were inactive during the investigation. We excluded patients with history of previous myocardial infarction, peripheral arterial disease, carotid artery disease, congestive heart failure, renal failure (creatinine of plasma >1,8 mg/ dl), arterial hypertension, insulin dependent diabetes mel-litus, non-insulin dependent diabetes mellitus, hyperlipi-demia, valvular heart disease, atrial fibrillation, anemia (hematocrit <35%), obesity (body-mass index (BMI) >35 kg/m2 and waist-hip ratio >1). Patients in this study were not treated with beta-blockers, calcium channel blockers, statins, hormone replacement therapy, diuretics, and angiotensin converting enzyme inhibitors, angiotensin receptor blockers and nitrates. The study was carried out in accordance with the standards of good clinical Practice (Good Clinical Practice) and the principles of the Helsinki Declaration. The study Protocol was approved by the Ethical committees of all participating clinical centers. Prior to being included in the study, written informed consent was obtained from all participants.
Для цитирования: Yilmaz Ak. H., Ozsahin Y, Baskurt Aladag N., Gencoglu F., Sahin Yildiz B., Haberal I., Koyuncu A. O., Yildiz M. Снижение податливости аортальной стенки как важный параметр мониторинга артериального давления у пациентов с хроническими воспалительными заболеваниями. Российский кардиологический журнал. 2020;25(12):4036. doi:10.15829/1560-4071-2020-4036
Measurements. Weight of the patients were measured in kilograms as being in light clothes and without shoes and measurements of their height were taken. BMI (kg/ m2) were calculated dividing body weight in kilograms by square of body height in meters. Waist circumference is measured between the last lib and crista iliaca on the midline while the patient was standing. Hip circumference is measured by using the line between right and left trochan-ter major of femur. The circumference of waist dividing them by circumference of hip, waist-hip ratios were calculated.
PWV and blood pressure measurements. Systolic (SBP), diastolic (DBP), mean blood pressure (MBP) and pulse pressures were measured in consonant with European Society of Cardiology (ESC) and the European Society of Hypertension (ESH) guidelines [9], using a mercury sphygmomanometer with appropriate cuff sizes, in patients who rest for 20 min (Korotkoff phase I for SBP and V for DBP).
Pulse pressure = SBP - DBP
MBP = [SBP + 2 X DBP] / 3
Arterial elasticity was measured by automatic carotid-femoral (aortic) PWV by using the Complior Colson (France) device; the technical characteristics of this device have been described [4]. PWV of the aorta can be measured by two ultrasounds or strain-gauge transducers (using a TY-306 Fukuda pressure sensitive transducer non-invasively — Fukuda, Tokyo, Japan) that fixed trans-cutaneously into arteries by a known distance: the right femoral and right common carotid arteries. We repeated the measurements over ten different cardiac cycles, and used the mean value for the final analysis. PWV is calculated with pulse transit time and the distance (between femoral and right common carotid artery which was measured from the body surface) traveled by the pulse between two recording sites, according to the following formula:
PWV (m/s) = distance (m) / transit time (ms).
Statistical analysis. Statistics were obtained using the ready-to-use program of SPSS version 8.0. All the values were expressed as mean ± standard deviation. The obtained results were assessed by Mann-Whitney U test. Correlations were calculated with the Spearman test. P<0,05 was accepted as statistically significant.
Results
It is seen that, patients with CID have higher carotid-femoral (aortic) PWV (8,76±2,09 vs 8,07±0,94 m/s)
compared to control groups (p=0.03) (Table 1). There were significant correlations between PWV and age, BMI, SBP, DBP and MBP (p<0,001, r=0,65; p<0,001, r=0,36; p<0,001, r=0,42; p<0,001, r=0,46; p<0,001, r=0,48, respectively).
Discussion
In this study, arterial compliance assessed by carotid-femoral (aortic) PWV, an indicator of arterial stiffness, is decreased in patients with CID such as RA and FMF, when we compared to the healthy group. Although, the underlying mechanisms of vascular pathologies in patients with CID are not well understood, predominant histopathologic reason is known as vascular inflammation, which is related with endothelial cell injuries [10]. Vascular fibrosis and smooth muscle cell proliferation forms the basis of vascular inflammation, which increases arterial stiffness and decreases arterial compliance. Increased arterial stiffness associated with increased carotid-femoral PWV or decreased arterial compliance may lead left ventricular afterload to increase or myocardial oxygen supply to decrease [10].
RA is an inflammatory and systemic immune disease, which may cause acceleration in atherosclerotic progress and an increase in cardiovascular morbidity and mortality [11]. The mortality of RA patients has remained high even if the standardized mortality ratio of the general population improvements has improved over the years and that might have been the of the most important discoveries over the past twenty years. This inflammation becomes an important factor of the initiation or the progression of atherosclerosis due to impairing endothelial function, arterial compliance and arterial elasticity [12]. Some studies have discovered that RA patients have their arterial elasticity reduced [12, 13].
FMF happens to be an autosomal recessive disorder that has its own ethnicity originating from the Middle East: Sephardic Jews, Armenians, Arabs, Druze and Turks [14]. Recurrent episodes of arthritis, chest/stomach pain, and serosal inflammation mostly along with the fever are the main symptoms of FMF. On the other hand, the main issue with untreated patients is the development of amyloidosis. Inflammation with infiltration by neutro-phils is seen in histopathologic examinations. It is shown that arterial elasticity and/or compliance is reduced in patients with FMF [2, 14].
Atherosclerotic cardiovascular disease can be characterized by thickening of the vessel wall. It is possible to come across with atherosclerosis in different stages by non-invasive techniques like carotid-femoral (aortic) PWV and that is important to clinically describe patients under high cardiovascular risks including hypertension, hyperlipidemia, and diabetes mellitus [2, 4]. PWV is inversely proportional to arterial elasticity and relative arterial compliance [4]. Some studies have searched the effects of the different factors on the PWV, such as age,
Table 1
Basic data and hemodynamic values in control subjects and patients with CID
Parameters CID Healthy Group P
Age (years) 34,5±14,5 373±10,8 0,31
BMI (kg/m2) 24,57±3,99 25,65±3,39 018
Waist/Hip 0,83±0,73 0,86±0,08 0,07
SBP (mmHg) 110,26±15,6 115,00±1310 013
DBP (mmHg) 71,38±10,67 7210±761 0,71
MBP (mmHg) 84,34±11,58 8619±8,07 0,38
Pulse Pressure (mmHg) 38,88±10,13 42,90±11,67 011
Heart Rate (beat/min) 78,93±10,30 76,32±9,08 0,22
PWV (m/s) 8,76±2,09 8,07±0,94 0,03
Abbreviations: BMI — body mass Index, CID — chronic Inflammatory diseases, DBP — diastolic blood pressure, MBP — mean blood pressure, PWV — pulse wave velocity, SBP — systolic blood pressure.
sex, height, weight, inflammatory markers, heart rate and blood pressure [2, 6]. In our study, we observed that the most important factors contributing to increased aortic PWV is age and BMI, because of arterial compliance decreasing caused by decrease in elastin fiber, and increase in collagenous material. Normally, the total elastin and collagen protein levels should be almost the same in all aortic wall parts. Endothelial dysfunction and increased arterial medial calcification cause changes in the extracellular matrix by smooth muscle cell proliferation and increased synthesis of structural proteins including collagen, which are also some of the findings of advanced age [3]. Increased BMI, is traditional cardiovascular risk factors, could be a sign of inactivity and could be associated with inflammation and decreasing arterial distensi-bility, and/or compliance, as in our study [6]. PWV also depends on blood pressure levels including SBP, DBP and MBP, as in our study, and it decreases at low blood pressure, while increases at high blood pressure [3, 4]. Experimental and preoperative studies demonstrated that PWV as arterial blood pressure changes with different he-modynamic conditions [5, 6]. Increased arterial blood pressure have found with increased PWV in cardiotho-racic surgical patients [4].
Study limitations. We took great care to exclude subjects with active RA, FMF and with a history of previous myocardial infarction, diabetes mellitus, hyperlipidemia, heart valve disease, aortic aneurysm, choric renal disease, peripheral arterial disease, cerebrovascular disease. In addition, we are aware that the study could be done with more cases. Therefore, the study will need confirmation in large sample size.
Conclusion
Increased aortic stiffness, measured by PWV while the preoperative anesthetic evaluation, is related with more pronounced hypotension during the induction [1, 15]. Structural changes like smooth muscle hypertrophy,
changes of extracellular matrix and increased collagen levels of the vessel wall seems to be cause of reduced arterial elasticity in increased blood [3].
In conclusion, patients with RA, FMF have decreased arterial compliance assessed by carotid-femoral
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(aortic) PWV — an index of arterial stiffness and a marker of atherosclerosis — when we compared to healthy controls.
Relationships and Activities: none.
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