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Güler T, Yurdakul FG, Karasimav Ö, Kılıç Z, Yaşar E, Bodur H. Radiation-induced lumbosacral plexopathy and pelvic insufficiency fracture: A case report of unique coexistence of complications after radiotherapy for prostate cancer. Jt Dis Relat Surg 2024; 35:455-461. [PMID: 38727129 PMCID: PMC11128954 DOI: 10.52312/jdrs.2024.1551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 01/27/2024] [Indexed: 05/29/2024] Open
Abstract
Case reports of plexopathy after prostate cancer are usually neoplastic. Radiation-induced lumbosacral plexopathy and insufficiency fractures have clinical significance due to the need to differentiate them from tumoral invasions, metastases, and spinal pathologies. Certain nuances, including clinical presentation and screening methods, help distinguish radiation-induced plexopathy from tumoral plexopathy. This case report highlights the coexistence of these two rare clinical conditions. Herein, we present a 78-year-old male with a history of radiotherapy for prostate cancer who developed right foot drop, severe lower back and right groin pain, difficulty in standing up and walking, and tingling in both legs over the past month during remission. The diagnosis of lumbosacral plexopathy and pelvic insufficiency fracture was made based on magnetic resonance imaging, positron emission tomography, and electroneuromyography. The patient received conservative symptomatic treatment and was discharged with the use of a cane for mobility. Radiation-induced lumbosacral plexopathy following prostate cancer should be kept in mind in patients with neurological disorders of the lower limbs. Pelvic insufficiency fracture should also be considered if the pain does not correspond to the clinical findings of plexopathy. These two pathologies, which can be challenging to diagnose, may require surgical or complex management approaches. However, in this patient, conservative therapies led to an improvement in quality of life and a reduction in the burden of illness.
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Courville E, Ditty BJ, Maulucci CM, Iwanaga J, Dumont AS, Tubbs RS. Effects of thigh extension on the position of the femoral nerve: application to prone lateral transpsoas approaches to the lumbar spine. Neurosurg Rev 2022; 45:2441-2447. [PMID: 35288780 DOI: 10.1007/s10143-022-01772-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 03/04/2022] [Accepted: 03/10/2022] [Indexed: 11/25/2022]
Abstract
Some authors have suggested that thigh extension during the prone lateral transpsoas approach to the lumbar spine provides the theoretical advantage of providing posterior shift of the psoas muscle and plexus and is responsible for its lower rates of nerve injury. We aimed to elucidate the effects of surgical positioning on the femoral nerve within the psoas muscle via a cadaveric study. In the supine position, 10 fresh frozen adult cadavers had a metal wire secured to the pelvic segment of the femoral nerve and then extended proximally along with its L2 contribution. Fluoroscopy was then used to identify the wires on the femoral nerves in a neutral position and with the thigh extended and flexed by 25 and 45°. Additionally, a lateral incision was made in the anterolateral abdominal wall to mimic a lateral transpsoas approach to the lumbar spine, and measurements were made of the amount of movement in the vertical plane of the femoral nerve from neutral to then 25 and 45° of thigh flexion and extension. On fluoroscopy, the femoral nerves moved posteriorly at a mean of 10.1 mm with thigh extension. Femoral nerve movement could not be detected at any degree of this range of flexion of the thigh. Extension of the thigh to about 30° can move the femoral nerve farther away from the dissection plane by approximately one centimeter. This hip extension not only places the femoral nerve in a more advantageous position for lateral lumbar interbody fusion procedures but also helps to promote accentuation of lumbar lordosis.
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Wilks AW, Al-Lozi MT. Lumbosacral plexopathy due to pelvic hematoma after extracorporeal membrane oxygenation: A case report. Medicine (Baltimore) 2021; 100:e25698. [PMID: 33907149 PMCID: PMC8084063 DOI: 10.1097/md.0000000000025698] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/30/2021] [Accepted: 04/08/2021] [Indexed: 11/30/2022] Open
Abstract
RATIONALE Peripheral nerve injury related to vascular complications associated with extracorporeal membrane oxygenation (ECMO) is perhaps underappreciated. Compared to the well-described central nervous system complications of ECMO, brachial plexopathy and lumbosacral plexopathy have rarely been reported. We report this case to heighten awareness of lumbosacral plexus injury due to pelvic hematoma formation after ECMO. PATIENT CONCERNS A 53-year-old woman developed a large pelvic hematoma with significant mass effect on intrapelvic structures after receiving lifesaving venoarterial ECMO for cardiogenic shock following a cardiac arrest. During her hospital course, she developed bilateral foot drop that was attributed to critical illness. Her lack of neurological recovery after 6 months prompted referral to neuromuscular medicine for consultation. DIAGNOSIS The patient was retrospectively diagnosed with bilateral lumbosacral plexopathy due to the large pelvic hematoma. INTERVENTION Electromyography/nerve conduction study (EMG/NCS) obtained at the time of referral to neuromuscular medicine localized her neurological deficits to the bilateral lumbosacral plexus and demonstrated no volitional motor unit action potentials in her lower leg muscles. OUTCOMES The patient had minimal recovery of strength at the level of the ankles but was ambulatory with solid ankle-foot orthoses due to spared proximal lower extremity strength. Unfortunately, the absence of any volitionally activated motor unit action potentials in her lower leg muscles on EMG performed 6 months after the initial injury was a poor prognostic indicator for successful reinnervation and future neurological recovery. LESSONS Neurological deficits occurring during the course of administration of ECMO require accurate localization. Neurology consultation and/or EMG/NCS may be useful if localization is not clear. Lesions localizing to the lumbosacral plexus should prompt radiographic evaluation with computed tomography of the abdomen and pelvis. Hemostasis of a retroperitoneal hematoma may be achieved with embolization. However, if neurological deficits do not improve, surgical consultation for hematoma evacuation may be warranted.
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Čižmář I, Vlček M, Ehler E, Dráč P. [Reconstruction of Lower Extremity Palsy after Pelvic Fractures with the Muscle Transfers]. ACTA CHIRURGIAE ORTHOPAEDICAE ET TRAUMATOLOGIAE CECHOSLOVACA 2019; 86:348-352. [PMID: 31748110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
PURPOSE OF THE STUDY The prevalence of nerve structure injuries accompanying pelvic and acetabular fractures is stated to be 5-25 %, with most frequent injuries to motor nerve structures associated with fractures of the posterior wall of the acetabulum. Prognostically worse outcomes of regeneration are documented mainly in iatrogenic, intraoperative injuries to nerve structures. This study aims to document the functional effect of muscle transfers restoring the movement of lower extremities with irreversible nerve lesion caused by the pelvic and acetabular fracture. MATERIAL AND METHODS A total of 18 patients with irreversible palsy of lower extremities in L4-S1 segments underwent a reconstruction surgery in the period 2006-2016, of whom 13 patients with the mean age of 42 (21-79) years arrived for a follow-up. The group included 10 patients with the loss of function of peroneal portion of the sciatic nerve, one patient sustained femoral nerve lesion and two patients suffered complete sciatic nerve lesion (both the peroneal and tibial portion). The patients were evaluated at the average follow-up of 77 (24-129) months after the reconstruction surgery. The average time interval from pelvic fracture to reconstruction by muscle transfer was 47 (18-151) months. Due to a wide spectrum of functional damage, the patients were evaluated in terms of the overall effect of the reconstruction surgery on the activities of daily living using the LEFS (The Lower Extremity Functional Scale). The surgical techniques used transposition of tensor fascie latae for femoral nerve lesion, transposition of tibialis posteriormuscle for palsy of the peroneal division of the sciatic nerve and tenodesis of tibialis anterior tendon and peroneus longustendon for the palsy of the peroneal and tibial portion of sciatic nerve. RESULTS The effect of movement restoration on daily living evaluated using the LEFS achieved 65 points (53-79) which is 85% of the average value of LEFS in healthy population. The transposition of active muscles tibialis posterior and tensor fasciae latae resulted in all the patients in active movement restoration. A loss of correction of foot position following the performed tenodesis of the paralysed tibialis anterior muscle was observed in one patient, with no significant impact on function. No infection complication was reported in the group. In 78% of patients the intervention was performed as day surgery. DISCUSSION There is a better prognosis for restoration in incomplete nerve lesion than in complete lesions and also in the loss of sensation than in the loss of motor function. The mini-invasive stabilisation of pelvic ring according to literature does not increase the risk of nerve lesions, while on the other hand a higher incidence of femoral nerve damage by INFIX fixator is documented. The type of muscle transfer is selected based on the availability of active muscles suitable for transposition and also with respect to functional requirements of the patient. CONCLUSIONS Irreversible palsy of lower extremity after the pelvic fracture is easily manageable as to the restoration of function. Surgical interventions using the preserved active muscles to restore the lost movement should be a component part of comprehensive surgical care for patients who sustained a pelvic fracture and should be performed centrally at a centre availing of comprehensive expertise. Key words: nerve lesion, tendon transfer, acetabulum, pelvis, fracture.
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Abel NA, Januszewski J, Vivas AC, Uribe JS. Femoral nerve and lumbar plexus injury after minimally invasive lateral retroperitoneal transpsoas approach: electrodiagnostic prognostic indicators and a roadmap to recovery. Neurosurg Rev 2017; 41:457-464. [PMID: 28560607 DOI: 10.1007/s10143-017-0863-7] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 05/12/2017] [Indexed: 10/19/2022]
Abstract
Injury to the lumbosacral (LS) plexus is a well-described complication after lateral retroperitoneal transpsoas approaches to the spine. The prognosis for functional recovery after lumbosacral plexopathy or femoral/obturator neuropathy is unclear. We designed a retrospective case-control study with patients undergoing one-level lateral retroperitoneal transpsoas lumbar interbody fusion (LLIF) between January 2011 and June 2016 to correlate electrodiagnostic assessments (EDX) to physiologic concepts of nerve injury and reinnervation, and attempt to build a timeline for patient evaluation and recovery. Cases with post-operative obturator or femoral neuropathy were identified. Post-operative MRI, nerve conduction studies (NCS), electromyography (EMG), and physical examinations were performed at intervals to assess clinical and electrophysiologic recovery of function. Two hundred thirty patients underwent LLIF. Six patients (2.6%) suffered severe femoral or femoral/obturator neuropathy. Five patients (2.2%) had immediate post-operative weakness. One of the six patients developed delayed weakness due to a retroperitoneal hematoma. Five out of six patients (83%) demonstrated EDX findings at 6 weeks consistent with axonotmesis. All patients improved to at least MRC 4/5 within 12 months of injury. In conclusion, neurapraxia is the most common LS plexus injury, and complete recovery is expected after 3 months. Most severe nerve injuries are a combination of neurapraxia and variable degrees of axonotmesis. EDX performed at 6 weeks and 3, 6, and 9 months provides prognostic information for recovery. In severe injuries of proximal femoral and obturator nerves, observation of proximal to distal progression of small-amplitude, short-duration (SASD) motor unit potentials may be the most significant prognostic indicator.
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Zhu CL, Zhong H, Li CH. [Anatomic application of the genitofemoral nerve in uroandrological surgery]. ZHONGHUA NAN KE XUE = NATIONAL JOURNAL OF ANDROLOGY 2017; 23:276-279. [PMID: 29706052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The genitofemoral nerve (GFN) has its unique anatomic characteristics of location, run and function in the male urinary system and its relationship with the ureter, deferens and inguinal region is apt to be ignored in clinical anatomic application. Clinical studies show that GFN is closely correlated with postoperative ureteral complications and pain in the inguinal region after spermatic cord or hernia repair. GFN transplantation can be used in the management of erectile dysfunction caused by cavernous nerve injury. Therefore, GFN played an important role in the clinical application of uroandrology. This review summarizes the advances in the studies of GFN in relation to different diseases in uroandrology.
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Brehmer L, Rutfors J. [Postpartum nerve injury is usually not caused by neuroaxial anesthesia--a case report]. LAKARTIDNINGEN 2017; 114:EAID. [PMID: 28140423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Postpartum nerve injury is usually not caused by neuroaxial anesthesia - a case report In this case report we describe a woman who after giving birth had numbness and could not support her weight on the right leg. Three attempts of epidural anesthesia had been made during labor. MRI imaging of the spinal cord showed no pathology. She was treated conservatively by a physiotherapist and recovered gradually. After six months all symptoms had resolved. Postpartum nerve injury is often thought to be due to neuroaxial anesthesia, although in most cases it is caused by labor itself. Postpartum nerve injuries has been reported to occur in up to 1% of newly delivered women and presents with numbness, weakness and/or pain in the lower extremities. It is caused by stretch or compression of nerves in the pelvic region, for example the lumbosacral plexus, either related to position while giving birth or by compression of nerves between the pelvic brim and the fetus head, which causes demyelination. The prognosis is good with spontaneous resolution of symptoms usually within 2-6 months.
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Sapienza P, Venturini L, Cigna E, Sterpetti AV, Biacchi D, di Marzo L. Deep gluteal grounding pad burn after abdominal aortic aneurysm repair. Ann Ital Chir 2015; 86:S2239253X15023944. [PMID: 26099000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Although skin burns at the site of grounding pad are a known risk of surgery, their exact incidence is unknown. We first report the case of a patient who presented a deep gluteal burn at the site of the grounding pad after an abdominal aortic aneurism repair, the etiology and the challenging treatment required to overcome this complication.
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Berlev IV, Ulrikh EA, Korolkova EN, Ibragimov ZN, Kashina NO, Mikhailyuk GI, Khadzhimba AV, Urmancheeva AF. [LAPAROSCOPIC NERVE-SPARING RADICAL HYSTERECTOMY IN CERVICAL CANCER]. VOPROSY ONKOLOGII 2015; 61:393-400. [PMID: 26242151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Cervical cancer is the most common cancer of the female reproductive system up to 20% of malignant tumors of the female genital organs. Surgery is the main method in treatment for local cervical cancer but postoperative complications often are associated with dysfunction of the pelvic organs. Some researchers focus their attention on the preservation of the pelvic innervation without loss of surgery's radicalism, which is represented in this survey. The paper presents the results of comparative analysis of 54 cases of surgical treatment for invasive cervical cancer.
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Jiang X, Chen X, Shen D, Chen A. Anterior cornual motoneuron regression pattern after sacral plexus avulsion in rats. Acta Neurochir (Wien) 2014; 156:1599-604. [PMID: 24855021 DOI: 10.1007/s00701-014-2114-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Accepted: 04/26/2014] [Indexed: 11/25/2022]
Abstract
BACKGROUND Sacral plexus avulsions lead to severe disability in patients and remain a thorny clinical problem due to the lack of anatomical, experimental and clinical studies. Attempts have been made to treat lumbosacral plexus injuries with such operations as direct anastomosis of the ends of injured sacral plexuses, and certain therapeutic effects were achieved. To further explore the degeneration pattern of anterior cornual motoneurons and determine the best time for treatment, we carried out this study. METHODS We randomly assigned 60 SD rats into six groups (group A-F), with ten rats per group. The A, B, C, D, E, F groups included animals that received operation for L4-L6 nerve root avulsion at 2, 4, 6, 8, 10 and 12 weeks respectively. We measured the apoptosis of motor neurons in the anterior corn through hematoxylin-eosin (HE) and terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) staining, and found that after sacral plexus avulsions, motor neurons in the anterior horn of the spinal cord gradually reduced and the apoptosis index gradually increased as the time went by. RESULTS Survival rates of motoneurons at 2, 4, 6, 8, 10, and 12 weeks after avulsion were (92.1 ± 4.7)%, (83.6 ± 3.7)%, (43.6 ± 4.2)%, (32.1 ± 3.5)%, (18.4 ± 3.7)% and (12.1 ± 3.3)%, respectively. The difference was most significant at week 6. CONCLUSION Week 6 after injury is probably the deadline for surgical repair of sacral plexus avulsions.
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Celentano V, Ausobsky JR, Vowden P. Surgical management of presacral bleeding. Ann R Coll Surg Engl 2014; 96:261-5. [PMID: 24780015 PMCID: PMC4574406 DOI: 10.1308/003588414x13814021679951] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/05/2013] [Indexed: 12/15/2022] Open
Abstract
INTRODUCTION Presacral venous bleeding is an uncommon but potentially life threatening complication of rectal surgery. During the posterior rectal dissection, it is recommended to proceed into the plane between the fascia propria of the rectum and the presacral fascia. Incorrect mobilisation of the rectum outside the Waldeyer's fascia can tear out the lower presacral venous plexus or the sacral basivertebral veins, causing what may prove to be uncontrollable bleeding. METHODS A systematic search of the MEDLINE(®) and Embase™ databases was performed to obtain primary data published in the period between 1 January 1960 and 31 July 2013. Each article describing variables such as incidence of presacral venous bleeding, surgical approach, number of cases treated and success rate was included in the analysis. RESULTS A number of creative solutions have been described that attempt to provide good tamponade of the presacral haemorrhage, eliminating the need for second operation. However, few cases are reported in the literature. CONCLUSIONS As conventional haemostatic measures often fail to control this type of haemorrhage, several alternative methods to control bleeding definitively have been described. We propose a practical comprehensive classification of the available techniques for the management of presacral bleeding.
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van Alfen N, Malessy MJA. Diagnosis of brachial and lumbosacral plexus lesions. HANDBOOK OF CLINICAL NEUROLOGY 2013; 115:293-310. [PMID: 23931788 DOI: 10.1016/b978-0-444-52902-2.00018-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
To most doctors, brachial and lumbosacral plexopathies are known as difficult disorders, because of their complicated anatomy and relatively rare occurrence. Both the brachial, lumbar, and sacral plexuses are extensive PNS structures stretching from the neck to axillary region and running in the paraspinal lumbar and pelvic region, containing 100000-200000 axons with 12-15 major terminal branches supplying almost 50 muscles in each limb. The most difficult part in diagnosing a plexopathy is probably that it requires an adequate amount of clinical suspicion combined with a thorough anatomical knowledge of the PNS and a meticulous clinical examination. Once a set of symptoms is recognized as a plexopathy the patients' history and course of the disorder will often greatly limit the differential diagnosis. The most common cause of brachial plexopathy is probably neuralgic amyotrophy and the most common cause of lumbosacral plexopathy is diabetic amyotrophy. Traumatic and malignant lesions are fortunately rarer but just as devastating. This chapter provides an overview of both common and rarer brachial and lumbosacral plexus disorders, focusing on clinical examination, the use of additional investigative techniques, prognosis, and treatment.
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Ge Z, Wang B, Zhang D, Liu Z, Zhang Y, Jia J. [Effect of iliolumbar fixation in patients with Tile C pelvic injury and analysis of relative factors]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2012; 26:1285-1290. [PMID: 23230658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
OBJECTIVE To explore the relative prognostic factors of Tile C pelvic injury after iliolumbar fixation. METHODS Between March 2007 and March 2010, 60 patients with Tile C pelvic injuries were surgically treated with iliolumbar fixation, including 39 males and 21 females with an average age of 37 years (range, 17-66 years). Of them, 27 cases were classified as Tile C1, 20 as Tile C2, and 13 as Tile C3. The preoperative injury severity score (ISS) was 12-66 (mean, 29.4). The time from injury to surgery was 2-25 days (mean, 8.1 days). Iliolumbar fixation was performed in all patients. Unconditional logistic analysis was used to analyze the relationship between the age, sex, body mass index (BMI), operation opportunity, the preoperative combined injury, classification of fracture, the postoperative complication, reduction outcome, sacral nerve injury, and the time of physical exercise and the prognosis. RESULTS All 60 patients were followed up 12-56 months (mean, 27.3 months). Infection of incisions occurred in 12 cases and were cured after dressing change; healing of incision by first intention was obtained in the other patients. Delay sacral nerve injury was found in 15 patients, 6 patients underwent nerve decompression, and 9 underwent conservative treatment. Ten patients had nail protrusion of Schanz screws at the posterior superior illac spine, and 3 patients had pain, which was relieved after removal of the internal fixator. One patient had bone-grafting nonunion of sacroiliac joint, which was improved by pressured bone graft. Five patients had the beam breakage without significant effect. Six patients had deep vein thrombosis, among them 4 underwent filter and 2 underwent nonsurgical treatment. The healing time of fracture was 3-6 months (mean, 3.9 months). According to the Matta function score, the results were excellent in 31 cases, good in 24 cases, fair in 3 cases, and poor in 2 cases with an excellent and good rate of 91.7% at last follow-up. Majeed score was 58-100 (mean, 86), 28 were rated as excellent, 12 as good, 16 as fair, and 4 as poor with an excellent and good rate of 66.7%. The logistic analysis showed that the age, sex, BMI, and postoperative complications were not prognostic factors; early operation (within 10 days), early function exercises (within 7 days), the better reduction quality, and the less sacral nerve injury were in favor of prognosis; and the worse preoperative combined injury and pelvic injury were, the worse the prognosis was. CONCLUSION Operation opportunity, the preoperative combined injury, reduction outcome, sacral nerve injury, and the time of physical exercise are all significantly prognostic factors of Tile C pelvic injuries.
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Zhao LL. [Study of injury mechanism for sacral plexus injury resulting from zone-II sacral fractures]. ZHONGHUA YI XUE ZA ZHI 2011; 91:630-633. [PMID: 21600137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
OBJECTIVE To study the mechanism of sacral plexus injury resulting from zone-II sacral fractures by axial compression. METHODS Six short-term embalmed pelves were obtained with preserving sacral plexus and resected pubic symphysis. A model of zone-II sacral fractures by axial compression was established. Quantitative analysis for fracture displacement was carried out to observe the characteristics and mechanisms of sacral plexus injury. The experimental data were analyzed by SPSS 10.0 statistic software. RESULTS In the sacral fracture model of axial compression, the sacral plexus nerves of L5 and S1 were obviously compressed. The sharp border of fracture segment stabbed the nerves as the distal segment of fractures was displaced to superior-anteriorly. When the displacement exceeded 1 cm, the tension injury of sacral plexus nerves became noticeable, especially at L5, S1 and S2. There was no sacral nerve injury when the distal segment of fractures was displaced posteriorly. CONCLUSION The mechanisms of sacral plexus injury are complicated. And it probably have close correlations with stability, orientation, extent and duration of fracture displacement.
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Andrade P, Pereira N, Brites MM, Gonçalo M, Figueiredo A. Nicolau livedoid dermatitis following intramuscular benzathine penicillin injection. Dermatol Online J 2010; 16:11. [PMID: 21199637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023] Open
Abstract
We report the case of a 64-year-old male presenting with a rapidly enlarging painful violaceous plaque in the left buttock and posterior thigh, following a gluteal intramuscular injection of benzathine penicillin. Associated urinary incontinence and lower left limb paresis were consistent with sciatic and lower sacral nerve damage, as confirmed by electromyography. Additional underlying muscular damage was observed in ultrasound and computer tomodensitometry scans and supported by high serum levels of creatine kinase and lactate dehydrogenase. Aggressive treatment was performed with fluid expansion, intravenous steroid bolus, vasodilators and anticoagulation, resulting in slow improvement of cutaneous and muscular lesions. However, no significant effect was observed on neurologic dysfunction after 6 months of regular neuromuscular rehabilitation. Nicolau Livedoid Dermatitis is a rare and potentially fatal condition showing variable levels of tissue impairment and unpredictable course and prognosis. Specific treatment is not consensual and the efficacy of any particular treatment remains to be established.
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Doehn C. Re: Genitofemoral nerve injury after laparoscopic varicocelectomy in adolescents. O. J. Muensterer. J Urol 2008; 180: 2155-2158. J Urol 2009; 181:2828; author reply 2828. [PMID: 19395031 DOI: 10.1016/j.juro.2009.02.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2008] [Indexed: 11/16/2022]
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Tian Z, Bai J, Xi L, Chen H. [MRI diagnosis of sacral fracture with sacral neurological damage and its clinical application]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2008; 22:1096-1099. [PMID: 18822737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
OBJECTIVE To study the MRI diagnosis of sacral fracture with sacral neurological damage and its clinical application. METHODS From October 1999 to October 2007, 20 cases of sacral fracture (Denis classification, Type II) with sacral neurological damage were examined by oblique coronal MRI of sacrum to show the whole length of sacral nerve. There were 17 males and 3 females, aged 30-55 years. The time from injury to hospitalization varied from 1 day to 23 months. The injury was caused by traffic accident in 10 cases, smash of heavy object in 8 cases and crush in 2 cases. Eight cases were accompanied by pubis fracture and 4 cases by urethral disruption. All patients accepted the examination of X-ray, CT and spiral CT 3D reconstruction. X-ray showed the displacement of fracture fragment was backwards and upwards, and sacral-hole line was vague, asymmetric and distorted. CT showed that sacral neural tube was left-right asymmetry, the displacement of fracture fragment was backwards and upwards, combining with the compression and intruding to sacrum center at different section levels. The clinical manifestations, international standards for Neurological Classification of Spinal Cord Injury recommended by American Spinal Injury Association International Spinal Cord Society, comparison between normal and abnormal MRI and Gierada's results were the basis for clinical diagnose and MRI diagnose, which was confirmed by operation. RESULTS Nerve injury diagnosed by clinical manifestation were S1 (17 cases), S2 (14 cases), S3 (7 cases), and S4 (6 cases). Nerve injury diagnosed by MRI were S1 (17 cases), S2 (14 cases), S3 (3 cases), and S4 (2 cases). Nerve injury confirmed by operation were S1 (17 cases), S2 (14 cases), S3 (7 cases), and S4 (1 case). Oblique coronal MRI of sacrum showed the whole length of sacral nerve and its adjacent relationship, detecting bone fragment compression and route alteration of never were evident in 5 cases, the fat disappearance around the site of nerve root injury in 19 cases, narrowness of sacral nerve canal in 17 cases and the abnormally enlarged sacral nerve in 11 cases. CONCLUSION Oblique coronal MRI of sacrum is of great value in the localization and the qualitative diagnosis of sacral neurological damage.
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Kushnir M, Klein C, Kimiagar Y, Pollak L, Rabey JM. Distal lesion of the lateral femoral cutaneous nerve. Muscle Nerve 2008; 37:101-3. [PMID: 17685466 DOI: 10.1002/mus.20876] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
We report three patients with a typical clinical picture of unilateral meralgia paresthetica in whom routine nerve conduction studies were normal. However, cortical somatosensory evoked potentials were absent after lateral femoral cutaneous nerve (LFCN) stimulation on the affected side. After stimulation of the LFCN in the anterosuperior iliac spine (ASIS) region and recording the responses distal to conventional sites (20 cm from the ASIS), sensory nerve action potentials (SNAPs) were absent in the symptomatic leg, but present in the normal leg. We suggest that thigh paresthesias may be caused by a distal LFCN lesion. Eliciting this requires recording SNAPs distal to conventional sites.
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Pianezza A, Galas T, Minville V, Destrubé M, Laffosse JM. [Femoral intramedullary nailing in men on fracture table: beware of the risk of postoperative erectile dysfunction!]. ANNALES FRANCAISES D'ANESTHESIE ET DE REANIMATION 2008; 27:110-111. [PMID: 18068942 DOI: 10.1016/j.annfar.2007.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
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Sasani M, Ozer AF, Oktenoglu T, Canbulat N, Sarioglu AC. Percutaneous endoscopic discectomy for far lateral lumbar disc herniations: prospective study and outcome of 66 patients. ACTA ACUST UNITED AC 2007; 50:91-7. [PMID: 17674295 DOI: 10.1055/s-2007-984383] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND Extraforaminal disc herniations represent up to 11% of all lumbar herniated discs. Numerous surgical approaches have been described. Percutaneous endoscopic discectomy (PED) is one of the minimally invasive techniques; after mastering this procedure it is a practical method that is used for treatment of foraminal or extraforaminal disc herniation. The outcome of PED for treatment of foraminal or extraforaminal disc herniation has been studied. METHOD A total of 66 patients with foraminal or extraforaminal lumbar disc herniation was treated by applying the PED technique between January 1998 and June 2005. The positions of the herniated disc levels were L2-3 (n=5, 8%), L3-4 (n=19, 28%) and L4-5 (n=42; 64%). The selected patients had no previous surgery, appropriate conservative therapies were done before the operations, and MRI was the main diagnostic method with the clinical findings. Evaluation of the patients with clinical examinations, visual analogue pain scale (VAS) and Oswestry scale was performed preoperatively, on postoperative day 7 and in the postoperative 6-12 months period. RESULTS In two patients (n=1, L4-5 and n=1, L3-4) disc material could not be removed with PED, so discectomy was performed with microscopic visualization during the same session. Three patients (n=3, L4-5) were reoperated on three to six months after primary surgery due to recurring disc problems with microscope visualization. In two patients (n=2, L4-5) root nerves were partially damaged, and in two patients (n=2, L4-5) root nerves were impinged by the working channel. These 4 patients had dysesthesias from just after surgery to a mean of 45 days after surgery. One of recurrent cases was among these patients. Neurological examinations showed minimal muscle weakness of the quadriceps femoris and diminished sensation of the L4 dermatomal area in patients with partial nerve root damage. This patient improved and the neurologic examination became normal with disappearance of the dysesthesia. There was no sign of reflex sympathetic dystrophy (RDS). With these two patients VAS and Oswestry scales scores decreased significantly early in the postoperative follow-up. The postoperative 6-month average scores are favourable in comparison with the average score at postoperative day 7. The postoperative 12-month scores showed no significant differences to those of postoperative month 1. CONCLUSION Percutaneous endoscopic discectomy is a minimally invasive method and offers many benefits to the patient, but extensive surgical practice is needed to become a capable surgeon. Consequently this technique can only be a treatment option on appropriate patients. This study reconfirmed that the removal of fragmented disc material is achieved and offers a pain-free status.
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Chiodo A. Neurologic Injury Associated With Pelvic Trauma: Radiology and Electrodiagnosis Evaluation and Their Relationships to Pain and Gait Outcome. Arch Phys Med Rehabil 2007; 88:1171-6. [PMID: 17826464 DOI: 10.1016/j.apmr.2007.06.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVES To study the electrodiagnosis presentation of patients with lower-extremity nerve injury related to pelvic trauma, to assess gait outcome and correlation to injury type and electrodiagnosis, and to study the incidence of pain postinjury and the relationships between injury type and electrodiagnosis and pain type. DESIGN Retrospective review. SETTING Tertiary care university hospital. PARTICIPANTS Seventy-eight patients who present with lower-extremity nerve injury associated with pelvic trauma. INTERVENTIONS Not applicable. MAIN OUTCOME MEASURES Electrodiagnostic results, the relationship between electrodiagnosis and fracture or injury type, and gait and pain outcomes. RESULTS The characteristic neurologic injury in patients with pelvic trauma was a lumbosacral plexus injury (71% of cases). Sciatic nerve injuries were more common in patients with isolated acetabular fractures (9/10 cases). Gait outcome was related to electrodiagnostic abnormality and severity. Long-term assisted gait was best predicted by absent peroneal conduction to the extensor digitorum brevis (P<.001) and absent motor unit potentials on anterior tibialis needle examination (P<.001). Neuropathic pain was seen in patients with any degree of gait abnormality. Orthopedic pain was more common in patients with an acetabular fracture (P<.025). CONCLUSIONS Lumbosacral plexus injury after pelvic trauma is a characteristic disorder with severe long-term implications regarding both pain and gait outcome.
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Barnett JC, Hurd WW, Rogers RM, Williams NL, Shapiro SA. Laparoscopic positioning and nerve injuries. J Minim Invasive Gynecol 2007; 14:664-72; quiz 673. [PMID: 17848335 DOI: 10.1016/j.jmig.2007.04.008] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2007] [Revised: 04/04/2007] [Accepted: 04/07/2007] [Indexed: 11/21/2022]
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Abstract
OBJECTIVE This case-control study explored the possibility of an association between body mass index (BMI) and meralgia paresthetica (MP). PATIENTS AND METHODS A total of 104 MP cases (33 women and 71 men, mean age 51.7 +/- 15.5 years) were matched for age and sex with 208 neurological and 208 dermatological controls. Differences between cases and controls were analyzed using the Wilcoxon and chi-squared tests. Odds ratio matched K controls (OR(MK)) and 95% confidence intervals (CI) were also calculated. RESULTS Mean BMIs were 28.0 +/- 4.9 for cases and 26.0 +/- 4.3 and 25.5 +/- 3.9 for neurological and dermatological controls, respectively. There were significant differences between absolute BMI of cases and neurological (P < 0.01) as well as dermatological controls (P < 0.001), and also significant associations between BMI categories and MP (P = 0.008 vs neurological controls and P = 0.004 vs dermatological controls). There were significant OR(MK) for obesity (BMI >or= 30) [OR(MK) vs neurological controls 2.04 (95% CI 1.13-3.67) and vs dermatological controls 2.5 (95% CI 1.4-4.5)]. CONCLUSION High BMIs were associated with MP. Obesity doubled the risk of MP. MP may be related to increased pressure due to abdominal protrusion.
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Caram-Salas NL, Reyes-García G, Bartoszyk GD, Araiza-Saldaña CI, Ambriz-Tututi M, Rocha-González HI, Arreola-Espino R, Cruz SL, Granados-Soto V. Subcutaneous, intrathecal and periaqueductal grey administration of asimadoline and ICI-204448 reduces tactile allodynia in the rat. Eur J Pharmacol 2007; 573:75-83. [PMID: 17643411 DOI: 10.1016/j.ejphar.2007.06.034] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2007] [Revised: 06/11/2007] [Accepted: 06/12/2007] [Indexed: 11/20/2022]
Abstract
The purpose of this study was to assess the possible antiallodynic effect of asimadoline ([N-methyl-N-[1S)-1-phenyl)-2-(13S))-3-hydroxypyrrolidine-1-yl)-ethyl]-2,2-diphenylacetamide HCl]) and ICI-20448 ([2-[3-(1-(3,4-Dichlorophenyl-N-methylacetamido)-2-pyrrolidinoethyl)-phenoxy]acetic acid HCl]), two peripheral selective kappa opioid receptor agonists, after subcutaneous, spinal and periaqueductal grey administration to neuropathic rats. Twelve days after spinal nerve ligation tactile allodynia was observed, along with an increase in kappa opioid receptor mRNA expression in dorsal root ganglion and dorsal horn spinal cord. A non-significant increase in periaqueductal grey was also seen. Subcutaneous (s.c.) administration of asimadoline and ICI-204448 (1-30 mg/kg) dose-dependently reduced tactile allodynia. This effect was partially blocked by s.c., but not intrathecal, naloxone. Moreover, intrathecal administration of asimadoline or ICI-204448 (1-30 mug) reduced tactile allodynia in a dose-dependent manner and this effect was completely blocked by intrathecal naloxone. Microinjection of both kappa opioid receptor agonists (3-30 mug) into periaqueductal grey also produced a naloxone-sensitive antiallodynic effect in rats. Our results indicate that systemic, intrathecal and periaqueductal grey administration of asimadoline and ICI-204448 reduces tactile allodynia. This effect may be a consequence of an increase in kappa opioid receptor mRNA expression in dorsal root ganglion, dorsal horn spinal cord and, to some extent, in periaqueductal grey. Finally, our data suggest that these drugs could be useful to treat neuropathic pain in human beings.
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MESH Headings
- Acetamides/administration & dosage
- Acetamides/pharmacology
- Animals
- Dose-Response Relationship, Drug
- Female
- Injections, Spinal
- Injections, Subcutaneous
- Ligation/adverse effects
- Ligation/methods
- Lumbosacral Plexus/injuries
- Male
- Naloxone/administration & dosage
- Naloxone/pharmacology
- Pain Threshold/drug effects
- Periaqueductal Gray/drug effects
- Periaqueductal Gray/metabolism
- Periaqueductal Gray/physiopathology
- Peripheral Nervous System Diseases/genetics
- Peripheral Nervous System Diseases/physiopathology
- Peripheral Nervous System Diseases/prevention & control
- Pyrrolidines/administration & dosage
- Pyrrolidines/pharmacology
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Rats
- Rats, Wistar
- Receptors, Opioid, kappa/agonists
- Receptors, Opioid, kappa/genetics
- Receptors, Opioid, kappa/physiology
- Reverse Transcriptase Polymerase Chain Reaction
- Somatosensory Disorders/etiology
- Somatosensory Disorders/physiopathology
- Somatosensory Disorders/prevention & control
- Time Factors
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Abdellaoui A, West NJ, Tomlinson MA, Thomas MH, Browning N. Lower limb paralysis from ischaemic neuropathy of the lumbosacral plexus following aorto-iliac procedures. Interact Cardiovasc Thorac Surg 2007; 6:501-2. [PMID: 17669917 DOI: 10.1510/icvts.2007.151993] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVES Neurological injuries following aorto-iliac procedures are rare, unpredictable and cause significant morbidity. We report four cases of lower limb paralysis following aorto-iliac procedures, in which two patients suffered internal iliac occlusion and discuss potential aetiological factors. METHODS Four male patients, age ranging between 56 and 77 years, underwent aorto-iliac procedures. Three patients underwent repair of infra-renal abdominal aortic aneurysm (2 open and 1 endovascular repair) and one patient had percutaneous angioplasty of the internal iliac artery. RESULTS All patients developed a unilateral lower limb paralysis early post procedure. Neurophysiological studies were performed in three patients and confirmed the injury to the lumbosacral plexus in two cases. MRI scan performed in two patients did not show any abnormality. In two of the cases, occlusion of one internal iliac artery was implicated as the cause of lumbo-sacral plexopathy: one with the coverage of the internal artery origin with the stent, the other due to thrombotic occlusion of common and internal iliac in arteries after an elective open repair of abdominal aortic aneurysm with a bifurcated graft. Follow up ranged between 2 and 4 months. Only one patient recovered completely; the other three were left with permanent disability. CONCLUSIONS Ischaemic neuropathy following aorto-iliac intervention, whether open or endovascular, remains a rare, unpredictable and devastating complication. When it occurs it is likely to result in permanent neurological disability. It is important to note that it may be related to internal iliac artery thrombosis.
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