Incidence of hemorrhagic complications with use of a radial compression device: a cohort study

Incidencia de complicaciones hemorrágicas con el uso de pulsera de compresión radial: estudio de cohorte

ABSTRACT

Objective:  To examine the incidence of hemorrhagic complications in patients undergoing radial cardiac catheterization and using a hemostatic device for arterial compression.

Method:  A prospective cohort study conducted with patients undergoing elective cardiac catheterization in two hemodynamic laboratories in southern Brazil. The TR Band® radial compression device was used during 4 hours for hemostasis of the arterial puncture site. Hematomas and minor bleeding were the outcomes evaluated.

Results:  A total of 244 patients were evaluated. The mean age was 63.5±10.9 years, 61.9% were male, 73.8% had systemic arterial hypertension (SAH) and 42.8% were dyslipidemic. Type I hematoma occurred in 1.2% of patients and minor bleeding in 9% after removal of the device. There was no significant association between hematomas and bleeding, and patients who used oral anticoagulants (p=0.604) and prior use of antiplatelets (p=0.958).

Conclusion:  The use of the hemostatic device for radial artery compression was safe in clinical practice and there was a low incidence of hematomas and minor bleeding after radial coronary angiography.

DESCRIPTORS: Cardiac Catheterization; Hemodynamics; Radial Artery; Cardiovascular Nursing

RESUMEN

Objetivo:  Verificar la incidencia de complicaciones hemorrágicas en pacientes sometidos a cateterismo cardiaco radial y con el uso de pulsera hemostática para compresión arterial.

Método:  Estudio de cohorte prospectivo, conducido con pacientes sometidos a cateterismo cardiaco electivo, en dos laboratorios de hemodinámica en el sur de Brasil. Para la hemostasia del sitio de punción arterial, se utilizó la pulsera de compresión radial TR Band® por 4 horas. Los resultados evaluados fueron hematomas y sangrado menor.

Resultados:  Fueron evaluados 244 pacientes, con edad media de 63,5±10,9 años, el 61,9% del sexo masculino, el 73,8% con hipertensión arterial sistémica y el 42,8% dislipidémicos. Ocurrió el 1,2% de hematoma tipo I y el 9% de sangrado menor después de la retirada de la pulsera. No hubo asociación significativa entre hematomas y sangrados y los pacientes que hacían uso de anticoagulante oral (p=0,604) y uso previo de antiplaquetario (p=0,958).

Conclusión:  El uso de la pulsera hemostática para compresión de la arteria radial se mostró segura en la práctica clínica y con reducida incidencia de hematomas y sangrado menor luego de cinecoronariografía por vía radial.

DESCRITORES: Cateterismo Cardíaco; Hemodinámica; Arteria Radial; Enfermería Cardiovascular

RESUMO

Objetivo:  Verificar a incidência de complicações hemorrágicas em pacientes submetidos a cateterismo cardíaco radial e com uso de pulseira hemostática para compressão arterial.

Método:  Estudo de coorte prospectivo, conduzido com pacientes submetidos a cateterismo cardíaco eletivo, em dois laboratórios de hemodinâmica no sul do Brasil. Para a hemostasia do sítio de punção arterial, foi utilizada a pulseira de compressão radial TR Band® por 4 horas. Os desfechos avaliados foram hematomas e sangramento menor.

Resultados:  Foram avaliados 244 pacientes, com idade média de 63,5±10,9 anos, 61,9% do sexo masculino, 73,8% com hipertensão arterial sistêmica e 42,8% dislipidêmicos. Ocorreram 1,2% de hematoma tipo I e 9% de sangramento menor depois da retirada da pulseira. Não houve associação significativa entre hematomas e sangramentos e os pacientes que faziam uso de anticoagulante oral (p=0,604) e uso prévio de antiplaquetário (p=0,958).

Conclusão:  O uso da pulseira hemostática para compressão da artéria radial mostrou-se segura na prática clínica e com reduzida incidência de hematomas e sangramento menor após cinecoronariografia por via radial.

DESCRITORES: Cateterismo Cardíaco; Hemodinâmica; Artéria Radial; Enfermagem Cardiovascular.

INTRODUCTION

The radial pathway has been widely used in percutaneous cardiovascular procedures, since it allows performing complex interventions with reduction of intensity and duration of hemostasis after arterial pressure, and is associated with lower rates of vascular complications and major bleedings with potential impact on morbidity and mortality^1)-(4. Another important factor of this approach is the preferential choice by patients, because it provides greater comfort in recovery after the intervention by enabling early ambulation and shorter hospitalization time^5)-(6. However, the small caliber of the artery makes puncture difficult and requires a longer learning curve compared to femoral access, but these challenges are often overcome with operators’ experience^7)-(8. Vascular complications and radial artery occlusion (RAO) are some of the reported complications that may predispose the patient to extremity ischemia. However, occurrences of this magnitude are infrequent and should not be considered limiting. Data from the literature describe a low incidence of RAO when diagnosed clinically or by ultrasound^1),(9)-(10. Multiple radial artery catheterizations, larger doses of heparin, longer compressions, and use of a larger caliber introducer are the most common predisposing factors for these complications¹¹. Another concern in the interventional practice, although smaller, is the duration of bleeding and the delay of hemostasis after arterial compression.

Among the available methods of radial compression widely used in hemodynamics laboratories, there is manual compression, the use of occlusive dressings with elastic bandage and hemostatic devices. These may reduce the time to reach hemostasis and prevent complications related to arterial patency. Previous studies comparing compression devices of the arterial puncture site between patients undergoing percutaneous procedures indicate a slightly higher incidence of bleeding and hematoma with use of compression dressings compared to hemostatic devices, without prejudice to the patency of the artery used and without prolonging hospital stay^12)-(13. The TR Band® radial compression device was developed by Terumo Medical, is easy to handle, hygienic and reusable, an advantage in reducing hospital costs compared to other compression techniques¹⁰.

The different methods and devices available have been well accepted in clinical practice. However, each service or team seeks to develop safe and effective strategies according to their reality and availability. Thus, sharing systematized care practices in the interventionist cardiology scenario can contribute to improvements in care lines involving patients undergoing percutaneous intervention with repercussions on quality and care safety. In light of the above and the need to evaluate a new technology handled by nursing, this study was designed for checking the incidence of hemorrhagic complications in patients undergoing radial cardiac catheterization and using a compression device.

METHOD

TYPE OF STUDY

Prospective, non-comparative cohort study.

POPULATION

Patients of both sexes, aged 18 years or older, who underwent elective cardiac catheterization (elective coronary angiography) with an initial radial airway approach, and used the TR Band^® hemostatic device were included. Patients who underwent angioplasty soon after the diagnostic examination were excluded.

SCENARIO

The study was conducted in two hemodynamic laboratories in southern Brazil. One of these laboratories provides public and private health care, is located in the northeast region of Rio Grande do Sul, and has five hemodynamic doctors and two nurses. The other is located in the region of Planalto Catarinense, provides private health care exclusively, and has two hemodynamic doctors and one nurse.

SAMPLE CALCULATION

The sample size calculation was based on a previous study¹², in which there was a 3.4% incidence of hemorrhagic complications. The following were considered: 95% confidence interval, a margin of error of 1.5%, and an approximate population of 400 patients/year. It was estimated a need to evaluate 234 patients (including 20% of losses).

DATA COLLECTION

Subjects were included in the study after the diagnostic examination, when they accepted to participate. After the end of cardiac catheterization, the hemodynamicist applied the hemostatic device while in the hemodynamics room, removed the introducer and inflated the air bladder according to manufacturer’s guidelines (15 ml of air). Patients remained with the compression device for 4 hours (time recommended by the manufacturer) outside the hemodynamics room, seated in reclining seats. After the 3^rd hour, started the air bladder deflation by keeping it connected to the plunger, controlling the plunger with the thumb, and observing the puncture site. The total time for deflation was 1 hour, since every 15 minutes, 4 ml of air were deflated, and in the last 15 minutes, the remaining 3 ml of air. As the device was transparent, the puncture site could be visualized hourly. During this period until complete removal of the device, was evaluated the occurrence of hemorrhagic complications. Once hemostasis was reached after the 4^th hour, the device was removed, and patients were released home.

In all patients included in this study for elective exams (cardiac catheterization), were used 5F or 6F introducers, 5,000 IU of heparin and 70 ml of non-ionic contrast agent - Iopamiron 370^®.

The independent variables evaluated were age, weight, sex, comorbidities (systemic arterial hypertension, diabetes mellitus, dyslipidemia, previous acute myocardial infarction, previous cerebrovascular accident, chronic obstructive pulmonary disease, chronic renal failure, peripheral obstructive arterial disease), previous use of oral anticoagulant, oral antiplatelet, caliber of introducer caliber, number of use of devices, procedure time.

OUTCOMES AND FOLLOW-UP

The outcomes evaluated were the occurrence of hemorrhagic complications, namely hematomas and minor bleeding. Hematomas were classified as type I (≤ 5 cm diameter); type II (≤ 10 cm diameter), type III (> 10 cm, without reaching the elbow); type IV (hematoma extending beyond the elbow); and type V (any hematoma with ischemic injury of the hand)¹⁴. Minor bleeding was any visible sign of blood during use and at the time of removal of the radial compression device (TR Band^®). In case of minor bleeding during the first 3 hours of wearing the device, was added a further 1 ml of air, and normally performing deflation in the 3^rd hour. The success of the device was defined as obtaining adequate hemostasis at the end of the procedure with the TR Band^® device with no need for conversion to compression dressing with elastic bandage¹⁰. The follow-up was performed from application of the device to its removal. All patients were followed up by the service nurse, who performed the deflation, monitoring and removal of the device. In case of minor bleeding during the initiation of deflation (3^rd hour) and removal of the device (4^th hour), air was again inflated until reaching 15 ml, and after 1 hour, the deflation started again with the same scheme as previously mentioned.

ANALYSIS AND PROCESSING OF DATA

Statistical analyzes were performed with the Statistical Package for Social Sciences (SPSS), version 22.0. Categorical variables were expressed as absolute numbers (n) and percentages (%), and continuous variables were expressed as mean±standard deviation for those with normal or median distribution and interquartile range. In order to find associations between the variables, was used the chi-square test, and for the association between the independent variables and the occurrence of grouped outcomes (hematoma plus minor bleeding) was performed the unadjusted univariate logistic regression.

ETHICAL ASPECTS

The research project was approved by the Research Ethics Committee of institutions under number 1.338.057, year 2015, according to resolution 466/12. All patients signed the Informed Consent form.

RESULTS

A total of 244 patients were included, of which 62.0% were male, and the mean age was 63.5±10.9 years. Table 1 shows the sociodemographic and clinical characteristics of the sample, and the most prevalent comorbidities were systemic arterial hypertension (180; 73.8%) and dyslipidemia (140; 42.8). In most patients, was used the 5F introducer (63.9%). The mean reuse of the TR Band® device was 23.42±17.05, and new devices were used in 14 (5.7%) patients. Regarding the duration of the examination, in 215 (88.1%) patients, it was up to 30 minutes.

Table 1
Sociodemographic and clinical characteristics - Porto Alegre, RS, Brazil, 2016.

Variables	n (%)
Male sex	151 (61.9)
Age*	63.5 ± 10.9
Systemic arterial hypertension	180 (73.8)
Dyslipidemia	140 (42.8)
Diabetes Mellitus	85 (34.8)
Prior cerebral vascular accident	16 (6.6)
Acute myocardial infarction	33 (13.5)
Chronic renal failure	3 (1.2)
Chronic obstructive pulmonary disease	4 (1.6)
Peripheral arterial obstructive disease	6 (2.5)
Prior use of oral anticoagulant	6 (2.5)
Prior use of antiplatelet	155 (63.5)

• *Variable presented with mean/standard deviation.
• Note: (n=244).

HEMORRHAGIC COMPLICATIONS

Regarding the outcomes evaluated, 25 patients (10.2%) had hemorrhagic complications, with a predominance of minor bleeding during deflation of the device (3^rd hour) in seven (2.8%) patients, and during removal of the device (4^th hour) in 15 (6.2%) patients. These and other data are shown in Table 2.

Table 2
Complications with the use of radial compression devices - Porto Alegre, RS, Brazil, 2016.

Hemorrhagic complications		n (%)
Type I hematoma		3 (1.2)
Minor bleeding		22 (9.0)
	During first 3 hours of use	7 (2.8)
	3rd hour (during deflation and removal of device)	15 (6.2)

• Note: (n=244).

There was no significant association between the most prevalent comorbidity in the sample (SAH - systemic arterial hypertension), the procedure time, the use of oral anticoagulant or antiplatelet and the incidence of hemorrhagic complications due to use of the TR Band® (data presented in Table 3).

Table 3
Association between independent variables and hemorrhagic complications - Porto Alegre, RS, Brazil, 2016.

Independent variable		Hemorrhagic complications n (%)	Crude OR (95% CI)	p
SAH
	Yes	18 (10.0)	0.90 (0.37-2.42)	0.832
	No	7 (10.9)	1.00
Procedure time
	<30 min	21 (9.8)	1.00
	30-60 min	4 (13.8)	1.4 (0.40-4.27)	0.505
Prior use of OAC
	Yes	1(16.7)	1.78 (0.09-11.67)	0.604
	No	24 (10.1)	1.00
Prior use of antiplatelet
	Yes	16 (10.3)	1.02 (0.44-2.51)	0.958
	No	9 (10.1)	1.00

• SAH: systemic arterial hypertension; OAC: oral anticoagulant; OR: odds ratio; CI: confidence interval.

DISCUSSION

The use of radial access is recognized as a safe way of performing cardiac diagnostic catheterization and percutaneous coronary interventions (PCI), and in the literature, different compression methods for hemostasis have been described^1),(3)-(4. The present study examined the incidence of hemorrhagic complications in patients undergoing radial cardiac catheterization with use of a hemostatic device for radial compression during a 4-hour period. The knowledge of results achieved with new devices that are also handled by nurses with different deflation schemes is relevant for better defining the care actions, since these professionals are directly involved in the monitoring and evaluation of the puncture site after the procedure.

In a sample mostly composed of elderly men with SAH, the results of this study showed the use of a compression device is safe in relation to the incidence of type I hematomas (1.2%) and minor bleedings (9.0%). The previous use of oral anticoagulant and antiplatelets did not influence the outcomes in the studied sample. In a previous study in which was evaluated hemostasis with use of the TR Band^® device after radial puncture in patients with acute coronary syndrome and similar sociodemographic characteristics to this study, the incidence of hematoma was 3.4% (all type II)¹. In another study, were compared two radial compression devices in patients after percutaneous coronary intervention, and was found that 20% of those using the TR Band^® device presented minor bleeding¹⁵. Furthermore, the patients evaluated in our study underwent only a coronary diagnostic procedure, and generally, with a shorter duration than PCI.

Hemostasis obtained by pneumatic pressure of the device applied directly to the radial artery site has proved to be useful and easy to handle, in addition to allowing visualization of the puncture site, because the material is transparent. Equally important are the comfort and shorter recovery time of patients when using the radial access route, since they can move even with restricted movement of the catheterized upper limb.

Different compression devices are offered by the specialized industry. However, the quality of the product should be combined with patients’ comfort and safety. A randomized clinical trial conducted with 790 patients compared two methods of radial compression. The results showed there were less reports of pain at the puncture site in patients using the TR Band^® device compared to the group using the Radistop device of radial artery compression that is somewhat larger than the device (77% vs. 61%; P=0.0001). In addition, the time to reach hemostasis was lower in the group using the TR Band^® (5.32±2.29 vs. 4.83±2.23 h; p=0.004). However, both devices were effective and safe for hemostatic compression¹⁶. Health teams must be particularly attentive to the female sex (lower wrist diameter than that of men), length of stay of the introducer and higher pressure volume, since these factors have been associated with the presence of bruising and pain at the arterial puncture site¹⁷. It is important to remember that the air volume pushed into the bladder of the device must be adjusted according to the manufacturer’s instruction (15 ml), but there is no standardized information on the compression time. In a recent study, were evaluated three different intensities and compression periods. The results showed that a short period of 90 minutes of compression and the injection of less air than recommended (10 ml) were sufficient for hemostasis¹⁸.

Recent data point to considering hemostatic devices as an economical and simple method of therapeutic option and non-invasive treatment of vascular complications, such as pseudoaneurysm and arteriovenous fistula^19)-(20. Another feature of the compression device is that it can be reused several times, although a little more costly. The elastic bandage, in turn, is more economical, but disposable, that is, single use.

Maintaining arterial patency during hemostasis is the most important parameter for reducing the risk of arterial occlusion, which is one of the most concerning complications for the team. In spite of the low occurrence of this complication, data from the literature show it ranges between 1% and 10% in patients undergoing percutaneous coronary procedures⁹. In a randomized study involving 400 diagnostic coronary procedures, the incidence of early radial occlusion was 7%, and of late occlusion was 5%²¹. During the hemostasis process with use of the TR Band® device, the careful observation, prompt detection of hematoma and adequate handling of the device performed by nursing are key for avoiding further complications. This device allows flexibility in the inflation process, time of permanence and deflation, so that each service can adopt one of the more evidence-based strategies in relation to safety. New comparative studies, either with control group, or with other devices used for radial compression, are needed in order to ratify the device safety and present other deflation schemes.

Among the limitations of this study, there is the fact that ultrasonography was not performed for evaluation of arterial patency after device use, as well as the lack of a patient control group, since the device was used in all patients undergoing percutaneous radial procedure.

CONCLUSION

The use of the hemostatic device for radial artery compression during a 4-hour period proved to be safe in clinical practice and with a low incidence of hemorrhagic complications after elective cardiac catheterization. The contribution of this study to nursing care practice is presenting the results of a strategy of using a device after percutaneous procedures in cardiology. The results of this longitudinal study can support nurses’ decision-making in their daily work.

REFERENCES

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Publication Dates

• Publication in this collection
  10 Dec 2018
• Date of issue
  2018

History

• Received
  14 Nov 2017
• Accepted
  24 July 2018