Unexpected injuries can have a profound effect on a surgeonʼs performance and thus on patients and surgical departments. Here we describe a technique for performing surgery in the standing position, as done by a surgeon with an Achilles tendon rupture. During his prescribed 45-day non-weight-bearing period for the left ankle after surgery for an Achilles tendon rupture, the surgeon was able to participate in 15 surgeries as an operator or assistant, due to his use of a combination of injured-leg genuflection on a stool and a ʻSurgical Body Supportʼ device. Similarly injured surgeons may benefit from such support

Date, Isao

Ito, Kiyoshi

Kin, Kyohei

Kusumegi, Akira

Kuwahara, Ken

Manabe, Hiroaki

Miyoshi, Yasuyuki

Morimoto, Jun

Sasada, Susumu

Takahashi, Yuichiro

Toyoshima, Atsuhiko

Yasuhara, Takao

Okayama University Scientific Achievement Repository

M any surgeries are scheduled surgeries,  and speciﬁc disorders including spinal vascular diseases and spinal intramedullary tumors require a highly professional surgeon.  Surgeons with unex-pected injuries have a profound eﬀect on patients and their own institutes.  Here we describe a special tech-nique for performing surgery in the standing position despite an injury,  used by a surgeon with an Achilles tendon rupture.  His experience with this technique indicates that stable surgery performance is possible using genuﬂection and the product ʻSurgical Body Supportʼ (SBS; Takano,  Nagano,  Japan; https://www.takano-net.co.jp).  The SBS was developed for use by standing surgeons.  It consists mainly of a lum-bar support and armrest.  The lumbar support is designed to support the bodyʼs trunk,  and the armrest is eﬀective for stable operation with less fatigue.Methods　 This is a ʻtechnical noteʼ document that will be of interest to surgeons who have a leg,  ankle or foot injury.  The surgeon (T.Y.) performed surgeries while keeping weight oﬀ his left ankle for the 45-day non-weight-bearing period that he had to undergo after surgery for an Achilles tendon rupture.  The intraop-erative electromyogram of the standing surgeonʼs right lower leg was also examined in order to identify the load diﬀerence in several settings using left leg genu-ﬂection and the SBS.　The amplitude of 20 randomly selected waves from the right anterior tibial muscle and gastrocnemius muscle were compared with [1] the use of neither of Acta Med.  Okayama,  2016Vol.  70,  No.  6,  pp.  493-496CopyrightⒸ 2016 by Okayama University Medical School.http ://escholarship.lib.okayama-u.ac.jp/amo/Short CommunicationSurgery in the Standing Position by a Surgeon  with Achilles Tendon RuptureTakao Yasuharaa＊,  Ken Kuwaharaa,  Susumu Sasadaa,  Atsuhiko Toyoshimaa,   Jun Morimotoa,  Kyohei Kina,  Hiroaki Manabea,  Yasuyuki Miyoshia,   Akira Kusumegia,  Yuichi Takahashib,  Kiyoshi Itoc,  and Isao DateaaDepartment of Neurological Surgery,  Okayama University Graduate School of Medicine,  Dentistry and Pharmaceutical Sciences,   Okayama 700-8558,  Japan,  bDepartment of Spinal Surgery,  Shinkomonji Hospital,  Kitakyushu,  Fukuoka 800-0057,  Japan,   cDepartment of Neurosurgery,  Shinshu University,  Matsumoto,  Nagano 390-8621,  JapanUnexpected injuries can have a profound eﬀect on a surgeonʼs performance and thus on patients and surgical departments.  Here we describe a technique for performing surgery in the standing position,  as done by a surgeon with an Achilles tendon rupture.  During his prescribed 45-day non-weight-bear-ing period for the left ankle after surgery for an Achilles tendon rupture,  the surgeon was able to participate in 15 surgeries as an operator or assistant,  due to his use of a combination of injured-leg genuﬂection on a stool and a ʻSurgical Body Supportʼ device.  Similarly injured surgeons may beneﬁt from such support.Key words: Achilles tendon rupture,  electromyogram,  genuﬂection,  injured leg,  standing positionReceived April 8, 2016 ; accepted June 27, 2016.＊Corresponding author. Phone : ＋81-86-235-7336; Fax : ＋81-86-227-0191E-mail : tyasu37@cc.okayama-u.ac.jp (T. Yasuhara)Conﬂict of Interest Disclosures: No potential conﬂict of interest relevant to this article was reported.genuﬂection nor SBS,  [2] the use of only genuﬂection,  and [3] the use of both genuﬂection and SBS.  We used a one-factor analysis of variance (ANOVA) to analyze the data,  and p-values＜0.05 were considered signiﬁcant.  The data are presented as the mean±standard error.Results　 On June 21,  2015,  the surgeon T.Y. accidentally ruptured the Achilles tendon of his left ankle.  He underwent an achillorrhaphy on the same day as the injury,  and he was instructed to keep weight oﬀ the left ankle for 45 days.  He returned to his routine work the next day.  At that time,  he had 5 scheduled spinal surgeries including those for spinal vascular diseases.  Spinal vascular diseases and spinal intra-medullary tumors are always treated by this surgeon in our neurosurgical department.  The surgeonʼs cir-cumstances were explained to the 5 patients scheduled for the surgeries,  and they were asked whether they wanted another surgeon to perform the surgery.  The surgeon clearly explained that his condition was not perfect and that the surgical time might be longer than usual.  One patient with lumbar spinal stenosis chose to delay the surgery,  and the other four patients chose to undergo the surgery as scheduled because of their rapidly deteriorating symptoms,  their good doc-tor-patient relationship and their previously scheduled plans.  After a thorough explanation of the surgical situation,  all 4 of these patients completely agreed that surgeon T.Y. would perform their surgeries.　 The ﬁrst 2 surgeries were performed with the sur-geon using only left genuﬂection on a chair (Fig. 1A–C).  The knee was protected with a gel pad and sponge on the chair.  The genuﬂection made it possible for the surgeon to remain standing and perform surgery for a few hours.  If he needed to take a rest,  he could sit for a few minutes and then return to the operation.  For bipolar coagulation and drilling,  an assistant used the foot switch in response to the surgeonʼs instructions of ʻOnʼ and ʻOﬀ. ʼ After his third surgery,  the surgeon 494 Yasuhara et al. Acta Med.  Okayama　Vol.  70,  No.  6A B CD E FFig. 1　 Genuﬂection and the SBS.  Upper column: Surgery only with genuﬂection.  The knee was protected with a gel pad (A) and sponge on the chair (B).  A picture from the back taken during surgery (C).  Lower column: Surgery with both genuﬂection and the SBS.  Combination of genuﬂection and the SBS (D‒F).used the SBS in addition to genuﬂection (Fig. 1D–F).　 During the 45 days in which he kept weight oﬀ his left ankle,  the surgeon participated in a total of 15 surgeries as an operator or assistant.  He performed 8 scheduled spinal surgeries and one emergent spinal surgery in the standing position as an operator.  The surgery for cases with spinal vascular disease and spinal intramedullary tumors required special neuro-surgical techniques.  An emergency surgery was per-formed for a patient suﬀering from intramedullary cavernoma with severe paraparesis,  after a discussion with orthopedic surgeons.  As an assistant,  the sur-geon performed 3 scheduled neurosurgical procedures and 3 emergent surgeries.  The durations of all 15 surgeries and the amounts of bleeding were consistent with the usual values.　 The amplitude of the intraoperative electromyo-gram results from the surgeonʼs right anterior tibial muscle and gastrocnemius muscle showed that the load on the lower leg was lowest during the surgery when both genuﬂection and the SBS were used,  and the highest load was observed during the surgery with neither genuﬂection nor the SBS (Figs. 2,3).  There were signiﬁcant diﬀerences in the electromyogram December 2016 Surgery by a Surgeon with an Injured Leg 495Rt. Rt. TAGastrocnemiusGenuﬂexion (-), SBS (-)BRt. Rt. TAGastrocnemiusGenuﬂexion (+), SBS (-)CRt. Rt. TAGastrocnemiusGenuﬂexion (+), SBS (+)DAFig. 2　 Intraoperative electromyogram at various situations.  A,  An intraoperative photo of the surgeon with needle electrodes; B–D,  Intraoperative electromyograms of the surgeon with neither genuﬂection nor the SBS (B),  with only genuﬂection (C) and with both genu-ﬂection and the SBS (D).Amplitude of EMGµV＊＊＊p<0.05 vs. SBS(-), Knee(-), ＊＊p<0.05 vs. SBS(-), Knee(+)＊＊＊＊Anterior tibialmuscleGastrocnemius muscleFig. 3　 Amplitudes of the surgeonʼs electromyogram from the right anterior tibial muscle and gastrocnemius muscle.  Upper column: There were signiﬁcant diﬀerences in the amplitude of the electromyogram results from the anterior tibial muscle with and without genuﬂection.  Lower column: There were signiﬁcant diﬀer-ences in the electromyogram amplitude results in the gastrocne-mius muscle in all settings.amplitude of the anterior tibial muscle between the periods with and without genuﬂection,  but there was no signiﬁcant diﬀerence between the combination of genuﬂection and SBS and genuﬂection only (genuﬂec-tion and SBS: 5.9±0.6 μV; genuﬂection only: 31±4.9 μV; neither genuﬂection nor SBS: 184±21 μV).　 There were signiﬁcant diﬀerences in the amplitude of the results from the gastrocnemius muscle in all settings (genuflection and SBS: 21±3.3 μV;  genuﬂection only: 103±17 μV; neither genuﬂection nor SBS: 432±32 μV).Discussion　 We described the experiences of a surgeon who used a standing position to perform surgery during a 45-day recovery period following his own achillorrha-phy for an Achilles tendon rupture.  With the use of both genuﬂection and the SBS,  the surgeon was able to perform surgeries almost the same as usual.  The SBS,  which has excellent ergonomics,  is useful for a surgeon with an injured leg.　 This is the ﬁrst report that reveals how a surgeon can overcome a leg or ankle injury and successfully complete scheduled and emergent surgeries.  Surgeries can often be re-scheduled,  or other reliable surgeons can perform a scheduled surgery if the patient agrees.  However,  if the patient would like the injured surgeon to perform the surgery,  our present analysis indicates that the combination of genuﬂection of the injured leg on a stool and use of the SBS can be a good option.  We observed that the electromyograms taken during surgery with genuﬂection and/or the SBS showed that the combined use of genuﬂection and SBS reduced the burden of standing on the healthy leg during surger-ies.　 The SBS was originally developed to improve maneuverability and reduce the musculoskeletal load in the standing position during surgical procedures [1].  A three-axis accelerometer and surface electro-myography attached to the surgeon/SBS user showed increased body stability,  improved motion smoothness and a 70  reduction in musculoskeletal loading [1].　 The advantages of using the SBS for surgery are a reduction in the load on the lower limbs and a stable platform provided by placing both arms on the rest.  However,  a disadvantage of the SBS is the diﬃculty in seeing and operating on the surgeonʼs near side.  Surgery in a sitting position is another option [2].  The lateral oblique position enables the surgeon to perform surgery in a sitting position.  This position meets the requirement for both spinal stabilization and abdominal pressure reduction,  with less blood loss and a better operative ﬁeld [3].  However,  the lateral position or oblique position might initially be diﬃcult for surgeons who are unaccustomed to this position.  The setting should be carefully prepared in advance.  It might be diﬃcult to determine the correct dissection plane and to recognize the correct area and angle to be drilled.　 In conclusion,  this is the ﬁrst report to show how a surgeon with an injured leg can perform surgeries in the standing position.  A combination of genuﬂection of the injured leg on a stool and the SBS is helpful in this situation.  An accidental leg injury can happen to any surgeon,  and this method,  along with an attitude to “never to give up, ” will be useful for surgeons in this rare situation.Acknowledgments. 　This work was supported by all of the staﬀ members in Operation Department at Okayama University Hospital.References 1.  Ito K,  Horiuchi T,  Seguchi T and Hongo K: Usefulness of a device for body support during operations performed while stand-ing.  Neurosurg Rev (2015) 38: 731-737. 2.  Kikuta KI,  Miyamoto S,  Kataoka H,  Satow T,  Yamada K and Hashimoto N: Use of the prone oblique position in surgery for pos-terior fossa.  Acta Neurochir (Wien) (2004) 146: 1119-1124. 3.  Takami T,  Naito K,  Yamagata T,  Yoshimura M,  Arima H and Ohata K: Posterolateral approach for spinal intradural meningioma with ventral attachment,  J Craniovertebral Junction Spine (2015) 6: 173-178.496 Yasuhara et al. Acta Med.  Okayama　Vol.  70,  No.  6

Surgery in the Standing Position by a Surgeon with Achilles Tendon Rupture

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Surgery in the Standing Position by a Surgeon with Achilles Tendon Rupture

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