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- DOI 10.18231/j.ijca.2021.078
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Subclavian vein catheterization: Comparative evaluation of supraclavicular versus infraclavicular approach in oncology patients
- Author Details:
-
Amit Bodkhe *
-
Avanti Purohit
-
Chitra Pitale
-
Hemant Bhirud
Amit Bodkhe *
Avanti Purohit
Introduction
There are various indications of central venous catheter (CVC) insertion like volume resuscitation, central venous pressure monitoring, transvenous cardiac pacing, haemodialysis access, and hypertonic or irritant substance infusion.[1] The subclavian vein (SCV) has several anatomical advantages so it is the preferred site for CVC insertion. It has large diameter, absence of valves, and ability to remain patent and in a relatively constant position.[2], [3]
Aubonic was first to describe SCV catheterization via the infraclavicular approach in 1952. This has become well established technique since then. In 1965, Yoffa described an alternate supraclavicular approach.[4] Supraclavicular approach is not widely used and taught method for unknown reason.[5], [6] Supraclavicular approach has various advantages over infraclavicular approach. It gives a vast target area for puncture, relatively straighter pathway, a shorter depth from skin. It is associated with fewer incidence of arterial puncture and fewer complications of pleural puncture due to less proximity to lung. It is easily accessible with constant surface landmark.[7], [8], [9]
In this study both these approaches were compared in terms of number of attempts, success rate and access time for catheterization. The complications associated with the procedure were recorded.
Materials and Methods
This study was performed after approval from the ethics committee. Written informed consent was obtained from all the patients or patient’s relatives before the study. One twenty oncology patients who underwent SCV catheterization over one year were randomly divided into two groups of sixty patients each. Randomization was done by computer generated random number tables and divided into two groups Group supraclavicular (SC) and Group infraclavicular (IC).
Inclusion criteria
Either sex,
American Society of Anaesthesiologists (ASA) grade - I, II or III,
CVP monitoring, fluid or vasopressor infusion, intravenous chemotherapy or total parenteral nutrition.
Exclusion criteria
Infection at puncture site,
Deranged coagulation profile,
Contralateral pneumothorax,
Cervical spine trauma,
Age less than 18 years.
Complete blood count and coagulation profile were mandatory tests for this study. Post procedure, chest X ray was done to confirm the position of CVC in all patients. Procedure was carried out under general anaesthesia or local anaesthesia depending on the indications for which it was done.
CVC insertion done in the Trendelenburg position. This manoeuvre distends the SCV as fascia is lacking on its superior aspect. Air embolus can also be prevented in this position.[10] Ipsilateral arm is adducted and patient’s head was turned to the contralateral side. Right or left SCV was selected for cannulation depending on the surgery. SCV was catheterized with modified Seldinger technique. 7Fr 16cm triple lumen central line catheter was used in all patients. Procedure was performed under all aseptic precautions after identification of the anatomical landmarks. In conscious patients it was done under local anaesthesia with 5-7 ml of 1% lidocaine. Whereas, in operative patients it was catheterized after GA.
Supraclavicular approach (Group SC)
For the success of the procedure, correct identification of the claviculosternomastoid angle is important. It is formed by the junction of the lateral head of the sternocleidomastoid muscle and the clavicle. If anatomy is not clear it can be identified by raising patient’s head. The needle is inserted 1 cm lateral to the lateral head of the sternocleidomastoid muscle and 1 cm posterior to the clavicle and directed at a 45-degree angle to the sagittal and transverse planes and 15 degrees below the coronal plane aiming toward the contralateral nipple.[11] The needle bisects the claviculosternomastoid angle as it is advanced in an avascular plane, away from the subclavian artery and the dome of the pleura, entering the junction of the subclavian and internal jugular vein (IJV).[2], [12], [13] The bevel was kept upwards till aspiration of blood. This prevents trapping of guidewire against the inferior vessel wall. Later the bevel should be turned downwards to prevent guidewire entry into IJV.[6]
Infraclavicular approach (Group IC)
In this technique, puncture point is one cm below the junction of medial one third and lateral two third of the clavicle. Needle is directed towards the suprasternal notch and bevel is kept inferomedially to prevent guidewire entry into the opposite vessel or into the IJV. [6]
After guidewire cannulation, the catheter was overlayed from puncture point to second intercostal space in both groups. This is to determine the optimal length of catheter to be inserted.
The venepuncture was limited to two attempts only. Inability to cannulate in two attempts was labelled as failure and then alternative route was planned. The procedure was abandoned after arterial puncture. At the end of the procedure number of attempts, success rate, access time for catheterization and complications were noted down.
All patients were observed for 24 hours to rule out any complications.
Statistical methods
The success rate and number of attempts were summarised in terms of percentage. Descriptive statistics of access time of catheterization was analysed and presented in terms of mean with standard deviation.
Success rate between two groups was compared with Chi square test. Access time of catheterization between two groups was compared with independent T test.
Results
Demographic profile like age, weight and height were recorded ([Table 1]). The mean age in group SC was 55.22 ± 13.25 years and group IC was 55.40 + 14.12 years. The mean weight in group SC was 63.33 + 13.16 kgs and group IC was 60.27 ± 14.46 kgs. While mean height was 161.41 ± 9.53 cm and 159.91± 8.54 cm in group SC and group IC respectively.
|
Groups |
Age (Years) |
Height (cm) |
Weight (Kg) |
|
SC (n=60) |
55.22 ± 13.259 |
161.41 ± 9.530 |
63.33 ± 13.164 |
|
IC (n=60) |
55.40 ± 14.126 |
159.91 ± 8.547 |
60.274 ± 14.469 |
In group SC out of 60 patients, in 49 patients (81.66%) cannulations were attempted in first attempt, 7 patients (11.66%) in second attempt. And rest 4 patients (6.66%) were labelled as failed cannulation. Whereas in group IC, first attempt cannulations were done in 40 patients (66.66%), 14 patients (23.33%) were cannulated in second attempt. In 6 patients (10%) cannulations were not successful in two attempts ([Table 2]).
|
Groups→
Attempts ↓
|
SC |
IC |
||
|
(n=60) |
Percentage |
(n=60) |
Percentage |
|
|
First |
49 |
81.66 |
40 |
66.66 |
|
Second |
07 |
11.66 |
14 |
23.33 |
|
Failure |
04 |
06.66 |
06 |
10.00 |
Overall success of cannulation was 56 out of 60 patients (93.33%) in group SC. While in group IC it was 54 out of 60 patients (90%). This was not statistically significant with p value of 0.5 ([Table 3], [Table 4])
|
Groups → |
SC |
IC |
||
|
Result ↓ |
(n=60) |
Percentage |
(n=60) |
Percentage |
|
Successful |
56 |
93.33 |
54 |
90 |
|
Failed |
04 |
06.66 |
06 |
10 |
|
Value |
df |
Asymptomatic Significance (2-sided) |
Exact Sig. (2-sided) |
Exact Sig. (1-sided) |
|
|
Pearson Chi-Square |
.436a |
1 |
.509 |
||
|
Co tinuity Correctio |
.109 |
1 |
.741 |
||
|
Likelihood Ratio |
.439 |
1 |
.508 |
||
|
Fisher' Exact Te t |
.743 |
.372 |
|||
|
Linear-by-Linear Associatio |
.433 |
1 |
.511 |
||
|
N of Valid Cases |
120 |
The access time describes the duration between first puncture to successful catheter placement. The mean access time in group SC was 252.98 ± 76.27 seconds as compare to 314.98 ± 121.28 seconds in group IC ([Table 5]). This is statistically significant with p value of 0.001 ([Table 6]).
|
Groups |
Access Time (Seconds) |
|
SC |
252.98 ± 76.27 |
|
IC |
314.98 ± 121.28 |
|
t-test for Equality of Means |
|||
|
t |
df |
P value |
|
|
Access Time |
3.352 |
118 |
0.001 |
In group SC, two failure were because of subclavian artery puncture and two were due to unsuccessful venepuncture. In group IC, three failure were because of unsuccessful venepuncture, two were due to inability to insert guide wire and one because of arterial puncture. There was only one complication in entire study. One patient in group IC had right brachiocephalic vein tear ([Table 7]).
|
SC |
IC |
||
|
Failure |
Failed Venipuncture |
2 |
3 |
|
Subclavian artery puncture |
2 |
1 |
|
|
Failed guidewire insertion |
0 |
2 |
|
|
Complication |
Hematoma |
0 |
0 |
|
eumothorax |
0 |
0 |
|
|
Hemothorax |
0 |
0 |
|
|
Vessel tear |
0 |
1 |
There was no malposition of the catheter in group SC. In group IC, there were two cases of malposition of the catheter. One in right infraclavicular approach, where catheter was entered into right internal jugular vein. And one in left infraclavicular approach, where catheter was entered into right subclavian vein. In all other patients, the catheter tip was at proper position. The average length of catheter in group SC was 12.19 ± 1.03 cm and in group IC was 13.24 ± 0.86 cm ([Table 8]).
|
SC |
IC |
|
|
Average length (cm) |
12.19 ± 1.03 |
13.24 ± 0.86 |
Discussion
In literature, infraclavicular approach and supraclavicular approach are described as the techniques of subclavian venous catheterization.[14], [15], [1], [2] After changing the angle of insertion needle with different set of anatomical landmarks, Yoffa’s original supraclavicular technique have been developed.[1] According to Sterner et al,[16] in case of initial unsuccessful attempt, overall success rates are high using alternate approach to subclavian vein catheterization and this is with less complication rate too. The familiarity of both approaches is the key to success.
In our study, both groups were comparable in demographic characteristics. In group SC first attempt success rate was 81.66%, second attempt success rate was 11.66% and 6.66% had failed cannulation. In group IC first attempt success rate was 93.33%, second attempt success rate was 90% and 10% had failed cannulation. But overall success rate in group SC was 93.33% whereas, 90% in group IC which is not statistically significant. This was comparable with S Govindswamy et al.[17] study. The failure rate in that study were only due to inability to locate vein. While in our study, there were several reasons for failure like inability to locate vein, arterial puncture and inability to insert guidewire.
The access time for successful cannulation in group SC were 252.98 ± 76.27 and in group IC were 314.98 ± 121.28 which was statistically significant with p value of 0.001. Similar to our results, Thakur et al,[6] documented that the time taken for successful cannulation via SC approach (4.30 ± 1.02min) is lesser than IC approach (6.07 ± 2.14) with statistical significance. Dronen et al also documented that SC approach was a better technique in terms of less difficulty in catheter insertion, a higher incidence of proper catheter tip location, low failure rate and less interference with cardiopulmonary resuscitation.[18]
In our study there was no catheter malpositioning in group SC. While in group IC, two cases of catheter malpositioning. In a larger study conducted by Sterner et al, there was significant higher incidence of catheter malpositioning in the IC group. There are different ways to prevent malpositioning of catheter like use of ultrasonography (USG) guided catheter insertion, more horizontal route of skin puncture, caudal direction of bevel and early suspicion of resistance while guide-wire insertion.[19] This study was conducted in oncology institute where central venous pressure monitoring is crucial monitoring technique perioperatively. In such cases SC approach gives added advantage of correct positioning.
There was right brachiocephalic vein tear in group IC which was the only complication in entire study. This occurred in a patient of right thoracotomy. It was detected and repaired during thoracotomy uneventfully. Though ultrasound is less commonly used in subclavian venous access, perhaps due to poor visualization of the vein from acoustic shadowing from the overlying clavicle.[20] Complications can be minimised or timely detection can be possible with the help of USG guidance.[21]
Conclusion
We conclude, subclavian vein catheterization via supraclavicular approach is a faster way than infraclavicular approach, whereas both the approaches are comparable in terms of success rate.
Source of Funding
None.
Conflict of Interest
The author declares no conflict of interest.
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