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1.
Anesth Pain Med (Seoul) ; 15(3): 378-382, 2020 Jul 31.
Article in English | MEDLINE | ID: mdl-33329839

ABSTRACT

BACKGROUND: Fiberoptic intubation is a powerful and safe technique to deal with airway difficulty, but it requires a lot of training to be able to perform correctly. There are various specialized oral airways for fiberoptic intubation, but none of them have perfect functionality. CASE: A 75-year-old male (body weight 71.6 kg, height 159.3 cm, body mass index 28.22 kg/m2) was diagnosed with acute appendicitis, and it was decided to do a laparoscopic appendectomy. After the induction of general anesthesia, it was impossible to insert the direct laryngoscope deep enough for vocal cord visualization without damaging the teeth because of limited mouth opening. We successfully performed fiberoptic intubation with a newly modified Guedel airway via a longitudinal channel on the convex side and a distal opened lingual end. CONCLUSIONS: Our modified Guedel airway can be useful in assisting fiberoptic intubation in unexpectedly difficult airway situations.

2.
J Healthc Eng ; 2020: 8899628, 2020.
Article in English | MEDLINE | ID: mdl-32908659

ABSTRACT

Background: The application of additive manufacturing (3D printing) has been recently expanded to various medical fields. The new technique named loss of guide wire resistance (LOGR) was developed via 3D printing for the detection of epidural space using a guide wire instead of air or saline used in the loss of resistance (LOR) technique. Methods: The prototype model of epidural space finder consists of a polyactic acid (PLA) or a resin. It was manufactured with 3D printing. Biocompatibility test (eluate and sterility tests) was performed in both products. The advantage of the newly developed device was compared with conventional loss of resistance (LOR) technique in a porcine model. Results: Eluate and sterility tests revealed that the PLA was more biocompatible than the resin. The LOGR technique facilitated rapid access to epidural space compared with the LOR technique (41.64 ± 32.18 vs. 92.28 ± 61.46 seconds, N = 14, p=0.0102, paired sample t-test), without any differences in success rate (87.5%). Conclusion: We conclude that LOGR technique is comparable to LOR technique to access the epidural space, although the advantage of either technique in terms of complications such as dural puncture or epidural hematoma is unknown. We demonstrated the potential benefit of 3D printer for the development of a new medical device for anesthesia.


Subject(s)
Anesthesia/methods , Anesthetics , Biocompatible Materials/chemistry , Epidural Space/diagnostic imaging , Printing, Three-Dimensional , Anesthesiology , Animals , Catheterization , Central Nervous System , Equipment Design , Hydrogen-Ion Concentration , Materials Testing , Metals, Heavy , Oxidants/chemistry , Potassium Permanganate/chemistry , Swine
3.
J Pain Res ; 11: 3019-3023, 2018.
Article in English | MEDLINE | ID: mdl-30568482

ABSTRACT

We successfully performed cervical spinal cord stimulator (SCS) surgery in a 27-year-old man with complex regional pain syndrome to control intractable pain. The SCS trial was performed twice to adjust the SCS coverage region. After permanent implantation surgery, the patient developed Horner's syndrome when the region near the C4 spinal dorsal root was stimulated. However, Horner's syndrome disappeared after changing the stimulation leads. This case report suggests that cervical SCS can be associated with superior cervical ganglion stimulation.

4.
Korean J Anesthesiol ; 66(2): 169-72, 2014 Feb.
Article in English | MEDLINE | ID: mdl-24624278

ABSTRACT

Epidural fibrosis is a contributing factor to the persistent pain that is associated with failed back surgery syndrome (FBSS) and other pathophysiologies, particularly as it inhibits the passage of regional medications to areas responsible for pain. Therefore, effective mechanical detachment of epidural fibrosis can contribute to pain reduction and improve function in FBSS patients. In this report, we describe the successful treatment of FBSS patients with epidural adhesiolysis using a Fogarty catheter via the transforaminal approach.

5.
Korean J Anesthesiol ; 65(2): 167-71, 2013 Aug.
Article in English | MEDLINE | ID: mdl-24024002

ABSTRACT

Buerger's disease (thromboangiitis obliterans) is known as a segmental inflammatory vasculitis that involves the small-sized and medium-sized arteries, veins, and nerves. Most effective treatment for Buerger's disease is smoking cessation. Except for the cessation of tobacco use, surgical revascularization is available in severe ischemia and a distal target vessel. Amputation has been used as the last treatment option of the disease up to the present. Increasing limb survival and decreasing amputation rate is important. This case describes the use of spinal cord stimulation (SCS) in patient with Buerger's disease and its effect is not only the complete healing of ulcers but also amputation is not performed.

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