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"We experienced bedside insertion of a PICC into a patient with BMI of 84.8 kg/m2 patient using a Sherlock 3CG® TCS" Uchida et al (2022).
PICC placement in patients with severe obesity

Abstract:

Background: Peripherally inserted central catheters (PICCs) are typically placed under fluoroscopy. We used a magnetic tracking and electrocardiogram-based tip confirmation system for insertion of a PICC insertion in a morbidly obese patient at the bedside.

Case presentation: A 53-year-old female with severe obesity (height, 160 cm; weight, 217 kg; BMI, 84.8 kg/m2) was admitted to the intensive care unit. Both bilateral, inguinal, and cervical regions were covered with an excess of adipose tissue, making it difficult to place a central venous line. Since transferring her to fluoroscopy seemed dangerous, a PICC was inserted using Sherlock 3CG® TCS at the bedside. Magnetic sensor guidance failed due to the thick subcutaneous tissue her precordium, but intracavity electrocardiography could direct the tip to an appropriate position.

Conclusion: We experienced bedside insertion of a PICC into a patient with BMI of 84.8 kg/m2 patient using a Sherlock 3CG® TCS. Since the interaction between Sherlock 3CG® TCS and body habitus has not been investigated, further reports are needed.

Reference:

Uchida S, Takekawa D, Hori M, Hashiba E, Hirota K. Bedside insertion of a peripherally inserted central catheter into a patient with BMI of 84.8 kg/m2 using a magnetic tracking and electrocardiogram-based tip confirmation system: a case report. JA Clin Rep. 2022 Aug 27;8(1):69. doi: 10.1186/s40981-022-00559-8. PMID: 36029359; PMCID: PMC9420167.