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Warm irrigation fluid does not raise the subacromial temperature to harmful levels while using radiofrequency device.

Gereli A, Kocaoglu B, Guven O, Turkmen M - Int J Shoulder Surg (2015 Jul-Sep)

View Article: PubMed Central - PubMed

Affiliation: Department of Orthopedics and Traumatology, Acibadem University Faculty of Medicine, Istanbul, Turkey.

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Warming of the irrigation fluid may reduce the risk of hypothermia, but the safe limit of the irrigation fluid temperature is unknown... A prospective Cohort study was performed of 41 consecutive patients underwent arthroscopic subacromial decompression who received irrigation fluid temperature either with 34°C (group 1: Actual shoulder joint temperature, n: 21) or 24°C (group 2: Room temperature, n: 20)... The total RF usage time was recorded for both groups... Data were analyzed for differences, and any value of P < 0.05 was considered as statistically significant... The mean maximum temperature recorded in the subacromial space while continuous RF usage was 41.8 ± 0.6°C and 31.5 ± 0.6°C at group 1 and 2 respectively (P = 0.001)... There was a positive correlation between the baseline temperature and maximum temperature in both groups (r = 0.794, P = 0.001) but no statistical difference between groups in the case of temperature rise from baseline in subacromial space (P = 0.910)... There was no correlation between RF usage time and maximum temperature level in both groups (r = 0.192, P = 0.229)... Temperatures above 45°C can cause nerve and muscle damage, and deemed potentially unsafe for the arthroscopic shoulder surgery... The presented study shows that warming the irrigation fluid at the actual shoulder temperature (34°C) does not raise the subacromial temperature to harmful levels while using bipolar RF device... A positive correlation between the baseline temperature and maximum temperature in both groups was observed... The higher baseline temperatures appear to correlate with higher subacromial temperatures... However, the mean rise was limited to 7.3°C under standard conditions.

No MeSH data available.


Intra-articular position of the fiber-optic temperature probe
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Figure 2: Intra-articular position of the fiber-optic temperature probe

Mentions: A prospective Cohort study was performed of 41 consecutive patients underwent arthroscopic subacromial decompression who received irrigation fluid temperature either with 34°C (group 1: Actual shoulder joint temperature, n: 21) or 24°C (group 2: Room temperature, n: 20). Standard posterior and lateral portals were used in all cases. Continuous wave II pump (Arthrex, Naples, Florida) was used for irrigation with a pressure setting of 50 mm Hg and 100 mm Hg flow rate. The RF probe was used intermittently for the subacromial bursectomy process (Arthocare, Knares borough, UK) with a setting 9 and medium level suction. The fiber-optic temperature probe (STB medical probe, Santa Clara, CA, USA) was placed in the subacromial space through an extra anterior portal [Figures 1 and 2]. Subacromial temperature was observed continuously at 30 s intervals during bursectomy. The total RF usage time was recorded for both groups. Data were analyzed for differences, and any value of P < 0.05 was considered as statistically significant.


Warm irrigation fluid does not raise the subacromial temperature to harmful levels while using radiofrequency device.

Gereli A, Kocaoglu B, Guven O, Turkmen M - Int J Shoulder Surg (2015 Jul-Sep)

Intra-articular position of the fiber-optic temperature probe
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4528291&req=5

Figure 2: Intra-articular position of the fiber-optic temperature probe
Mentions: A prospective Cohort study was performed of 41 consecutive patients underwent arthroscopic subacromial decompression who received irrigation fluid temperature either with 34°C (group 1: Actual shoulder joint temperature, n: 21) or 24°C (group 2: Room temperature, n: 20). Standard posterior and lateral portals were used in all cases. Continuous wave II pump (Arthrex, Naples, Florida) was used for irrigation with a pressure setting of 50 mm Hg and 100 mm Hg flow rate. The RF probe was used intermittently for the subacromial bursectomy process (Arthocare, Knares borough, UK) with a setting 9 and medium level suction. The fiber-optic temperature probe (STB medical probe, Santa Clara, CA, USA) was placed in the subacromial space through an extra anterior portal [Figures 1 and 2]. Subacromial temperature was observed continuously at 30 s intervals during bursectomy. The total RF usage time was recorded for both groups. Data were analyzed for differences, and any value of P < 0.05 was considered as statistically significant.

View Article: PubMed Central - PubMed

Affiliation: Department of Orthopedics and Traumatology, Acibadem University Faculty of Medicine, Istanbul, Turkey.

AUTOMATICALLY GENERATED EXCERPT
Please rate it.

Warming of the irrigation fluid may reduce the risk of hypothermia, but the safe limit of the irrigation fluid temperature is unknown... A prospective Cohort study was performed of 41 consecutive patients underwent arthroscopic subacromial decompression who received irrigation fluid temperature either with 34°C (group 1: Actual shoulder joint temperature, n: 21) or 24°C (group 2: Room temperature, n: 20)... The total RF usage time was recorded for both groups... Data were analyzed for differences, and any value of P < 0.05 was considered as statistically significant... The mean maximum temperature recorded in the subacromial space while continuous RF usage was 41.8 ± 0.6°C and 31.5 ± 0.6°C at group 1 and 2 respectively (P = 0.001)... There was a positive correlation between the baseline temperature and maximum temperature in both groups (r = 0.794, P = 0.001) but no statistical difference between groups in the case of temperature rise from baseline in subacromial space (P = 0.910)... There was no correlation between RF usage time and maximum temperature level in both groups (r = 0.192, P = 0.229)... Temperatures above 45°C can cause nerve and muscle damage, and deemed potentially unsafe for the arthroscopic shoulder surgery... The presented study shows that warming the irrigation fluid at the actual shoulder temperature (34°C) does not raise the subacromial temperature to harmful levels while using bipolar RF device... A positive correlation between the baseline temperature and maximum temperature in both groups was observed... The higher baseline temperatures appear to correlate with higher subacromial temperatures... However, the mean rise was limited to 7.3°C under standard conditions.

No MeSH data available.