How to get away from the cold: body temperature during surgery

Kang, Hyungsook; Kang, Jeong-Won

doi:10.4097/kjae.2016.69.4.317

Cited by 3 publications

(6 citation statements)

References 13 publications

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“…Hypothermia during general anesthesia is associated with perioperative complications such as infection, impaired wound healing, coagulopathy, arrhythmia, or myocardial infarction [1][2][3][4][5]. Therefore, maintaining core temperature during surgery under general anesthesia is inevitable, and accurate core temperature monitoring is necessary [2,[4][5][6].…”

Section: Introductionmentioning

confidence: 99%

“…Traditionally, core body temperature has been measured at various locations, such as the tympanic membrane (TM), esophagus, and nasopharynx [4,6]. During anesthesia, measuring the core body temperature in the esophagus is considered to be an easy, repeatable, and reliable method [4][5][6]. For the precise monitoring of core temperature at the esophagus, the location of the thermistor probe should be placed near the heart [6].…”

Section: Introductionmentioning

confidence: 99%

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Appropriate depth for the esophageal stethoscope placement for temperature monitoring - a pilot study

Lee,

Lim,

Jung

2024

Med Biol Sci Eng

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Accurate body temperature monitoring is essential for maintaining a core temperature during general anesthesia. This study aimed to determine the appropriate insertion depth of the esophageal stethoscope (IDE) to measure core body temperature accurately. Fourteen patients undergoing elective surgery in the supine position were included in the study. The esophageal stethoscope was inserted to a depth of 45 cm from the incisors. Then, it was withdrawn sequentially, 2 cm at a time, at 5-minute intervals. Temperatures of the esophagus according to the IDE were compared with the core temperature of the tympanic membrane (TM) using Bland and Altman analysis. A mean difference of ±1.96 standard deviations in temperatures between TM and esophagus showed a clinically acceptable range of -0.5 o C and 0.5 o C at the IDE between 43 and 31 cm. At both locations, the Bland-Altman test showed good limits of agreement, but temperatures at IDE 41 cm showed better agreement (the bias of 0.28 o C with 95% CI 0.13 to 0.43). Inserting an esophageal stethoscope between 43 and 41 cm will guarantee accurate core temperature monitoring.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Appropriate depth for the esophageal stethoscope placement for temperature monitoring - a pilot study

Lee,

Lim,

Jung

2024

Med Biol Sci Eng

View full text Add to dashboard Cite

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“…Moreover, surgical patients are exposed to cold environments [ 2 ]. Thus, patients undergoing general anesthesia develop hypothermia easily and have a risk of complications such as coagulation disorder, infection, heart complications, or delayed wound healing [ 1 , 3 , 4 , 5 , 6 ]. Therefore, avoiding hypothermia is very important for preventing complications in patients undergoing surgery [ 2 , 3 , 7 ].…”

Section: Introductionmentioning

confidence: 99%

“…Although it is essential to use various methods to prevent intraoperative hypothermia, accurate monitoring of core body temperature is also necessary [ 3 , 4 ]. Core body temperatures can be monitored at multiple locations, such as the tympanic membrane (TM), pulmonary artery, esophagus, and nasopharynx [ 3 , 4 , 5 ]. Use of an esophageal temperature probe is considered to be a particularly effective and accurate method for continuous measurement of core temperature [ 5 , 6 ].…”

Section: Introductionmentioning

confidence: 99%

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Optimal Insertion Depth of Gastric Decompression Tube with a Thermistor for Patients Undergoing Laparoscopic Surgery in Trendelenburg Position

Jong

Lim

Jung

2022

IJERPH

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Monitoring core temperature is crucial for maintaining normothermia during general anesthesia. Insertion of a gastric decompression tube (GDT) may be required during laparoscopic surgery. Recently, a newly designed GDT with a thermistor for monitoring esophageal temperature has been introduced. The purpose of the present study was to evaluate the optimal insertion depth of a GDT with a thermistor. Forty-eight patients undergoing elective laparoscopic surgery in the Trendelenburg position were included in the study. The GDT was inserted to a depth of nose–earlobe–xiphoid distance (NEX) + 12 cm and withdrawn sequentially, 2 cm at a time, at 5-min intervals. Temperatures of the GDT thermistor were compared with the core temperature of the tympanic membrane (TM) using Bland and Altman analysis. The correlation between optimal insertion depth of the GDT and anatomical distance (cricoid cartilage to the carina, CCD; carina to the left hemidiaphragm, CLHD) was evaluated, and a mathematical model to predict the optimal insertion depth of the GDT with a thermistor was calculated. Temperatures of TM and GDT thermistor at NEX + 4 cm showed good agreement and strong correlation, but better agreement and stronger correlation were seen at the actual location with the most minor temperature differences. The optimal insertion depth of the GDT was estimated as −15.524 + 0.414 × CCD − 0.145 × CLHD and showed a strong correlation with the actual GDT insertion depth (correlation coefficient 0.797, adjusted R2 = 0.636). The mathematical formula using CCD and CLHD would be helpful in determining the optimal insertion depth of a GDT with a thermistor.

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The Effect of Intraoperative Hypothermia on Shoulder Arthroplasty

Jildeh¹,

Okoroha²,

Marshall³

et al. 2018

Orthopedics

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Limited evidence is available regarding the correlation between intraoperative hypothermia and perioperative complications in shoulder arthroplasty. The purpose of this study was to determine the incidence of intraoperative hypothermia in patients treated with shoulder arthroplasty and its effect on perioperative complications. A retrospective chart review was performed on 657 consecutive patients who underwent shoulder arthroplasty at a single institution between August 2013 and June 2016. Demographic data, surgery-specific data, postoperative complications, length of stay, and 30-day read-mission were recorded. Patients were classified as hypothermic if their mean intraoperative temperature was less than 36°C. Statistical analyses with univariate and multivariate logistic regression were performed to evaluate the association of intraoperative hypothermia with perioperative complications. The incidence of intraoperative hypothermia in shoulder arthroplasty was 52.7%. Increasing age (P=.002), lower body mass index (P=.006), interscalene anesthetic (P=.004), and lower white blood cell count (P<.001) demonstrated increased association with hypothermia. Longer operating room times and increased estimated blood loss were not found to be associated with intraoperative hypothermia. Hypothermia demonstrated no significant association with surgical site infections nor any other perioperative complications. Patients undergoing shoulder arthroplasty showed a high incidence of intraoperative hypothermia. Lower body mass index, increasing age, interscalene anesthetic, and lower white blood cell count were associated with an increased incidence of hypothermia. Contrary to previous studies, intraoperative hypothermia was not found to contribute to perioperative complications in shoulder arthroplasty. [Orthopedics. 2018; 41(4):e523-e528.].

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How to get away from the cold: body temperature during surgery

Cited by 3 publications

References 13 publications

Appropriate depth for the esophageal stethoscope placement for temperature monitoring - a pilot study

Appropriate depth for the esophageal stethoscope placement for temperature monitoring - a pilot study

Optimal Insertion Depth of Gastric Decompression Tube with a Thermistor for Patients Undergoing Laparoscopic Surgery in Trendelenburg Position

The Effect of Intraoperative Hypothermia on Shoulder Arthroplasty

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