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Association of perioperative oral swallowing function with post-esophagectomy outcomes and nutritional statuses in patients with esophageal cancer. Dis Esophagus 2024:doae032. [PMID: 38661378 DOI: 10.1093/dote/doae032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 03/13/2024] [Accepted: 04/04/2024] [Indexed: 04/26/2024]
Abstract
Dysphagia after esophagectomy is a serious complication; however, no method has been established to accurately assess swallowing function. We evaluated the association of swallowing function tests with patients' post-esophagectomy complications and nutritional statuses. We retrospectively reviewed the data of 95 patients with esophageal cancer who underwent esophagectomy between 2016 and 2021. We performed perioperative swallowing function tests, including the repetitive saliva swallowing test (RSST), maximum phonation time (MPT), and laryngeal elevation (LE). Patients with recurrent laryngeal nerve palsy (RLNP) and respiratory complications (RC) had significantly lower postoperative RSST scores than patients without them; the scores in patients with or without anastomotic leakage (AL) were similar. Postoperative MPT in patients with RLNP was shorter than that in patients without RLNP; however, it was similar to that in patients with or without AL and RC. LE was not associated with any complications. Patients with an RSST score ≤2 at 2 weeks post-esophagectomy had significant weight loss at 1, 6, and 12 months postoperatively compared with patients with an RSST score ≥3. The proportion of patients with severe weight loss (≥20% weight loss) within 1 year of esophagectomy was significantly greater in patients with RSST scores ≤2 than in those with RSST scores ≥3. Multivariate analysis showed that an RSST score ≤2 was the only predictor of severe post-esophagectomy weight loss. RSST scoring is a simple tool for evaluating post-esophagectomy swallowing function. A lower RSST score is associated with postoperative RLNP, RC, and poor nutritional status.
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Pedicled flap transfer after chest wall malignant tumor resection and potential risk of postoperative respiratory problems for patients with low FEV1.0. Front Surg 2024; 11:1357265. [PMID: 38505411 PMCID: PMC10948408 DOI: 10.3389/fsurg.2024.1357265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 02/01/2024] [Indexed: 03/21/2024] Open
Abstract
Introduction Musculoskeletal transfer for chest wall tissue defects is a crucial method, and pedicled flaps around the chest wall are preferred in terms of location and simplicity of transfer. These require special care because of complications such as partial necrosis, fistula, wound dehiscence, infection, hematoma and restricted function of the arm or shoulder. However, studies of respiratory function are rare. In the present study, we investigated the complications including respiratory problems after wide resection for malignant chest wall tumors with musculoskeletal pedicle transfer. Methods A total of 13 patients (15 operations) who underwent wide resection of primary, recurrent, or metastatic malignant chest wall tumors and musculoskeletal pedicle transfer for coverage of tissue defects were enrolled in the present study. A retrospective review of all patients was performed using data collected from hospital records and follow-up information. The complications of musculoskeletal transfer after chest wall wide resection, including respiratory problems, are evaluated. Results Rib or sternal resection was performed in 12 operations, and only soft tissue resection was performed in 3 operations. Latissimus dorsi (LD) pedicle transfer was performed in 13 operations, and pectoralis major (PM) pedicle transfer was performed in 2 operations; basically, wounds were closed primarily. Surgical complications were observed following 5 of the 15 operations (33.3%). Respiratory complications were seen in 7 of the 15 operations (46.7%). Patients with respiratory complications showed significantly lower preoperative FEV1.0% values than those without respiratory complications (p = 0.0196). Skin resection area tended to be higher in the complication group than in the no complication group (p = 0.104). Discussion Pedicled myocutaneous flap transfers such as LD, PM, and rectus abdominus can be used following multiple resections. After harvesting LD or PM, the wound can be closed primarily for an 8-10-cm skin defect in patients with normal respiratory function. However, for patients with low FEV1.0%, after primary closure of LD or PM transfer for wide soft tissue defects, attention should be paid to postoperative respiratory complications.
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Anaphylaxis spares no drug: A report of diclofenac-induced anaphylaxis mimicking post-laparoscopy respiratory complication. Saudi J Anaesth 2023; 17:236-238. [PMID: 37260666 PMCID: PMC10228840 DOI: 10.4103/sja.sja_628_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 09/06/2022] [Indexed: 03/11/2023] Open
Abstract
Peri-anesthetic anaphylaxis is a rare but grave problem. After receiving informed consent for publication, we discuss the case of a female patient posted for laparoscopic cholecystectomy who developed an anaphylactic reaction to intravenous diclofenac, mimicking post-laparoscopy respiratory complication in the perioperative period. A 45-year-old, American Society of Anesthesiologists physical status (ASA-PS) I, female patient was posted for laparoscopic cholecystectomy under general anesthesia (GA). The procedure took 60 minutes and concluded uneventfully. In the post-anesthesia care unit, the patient complained of respiratory difficulty. Even after the supplemental oxygen and in absence of any significant finding on respiratory examination, the patient soon developed severe cardiorespiratory collapse. On evaluation, administration of intravenous diclofenac a few minutes before the event was suspected as the trigger for this anaphylactic response. The patient responded to the injection of adrenaline, and her post-surgical progress over the next two days was uneventful. The retrospective tests done for confirming diclofenac hypersensitivity were found to be positive. No drug, however safe, should be given blindly without proper observation and monitoring. The course of development of anaphylaxis can range from a few seconds to minutes and hence, the earliest recognition and prompt action can be the only deciding factor between life and death for such patients.
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Incidence, clinical features and perinatal outcome in anomalous fetuses with late-onset growth restriction: cohort study. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2022; 60:632-639. [PMID: 35638182 PMCID: PMC9827976 DOI: 10.1002/uog.24961] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 05/05/2022] [Accepted: 05/17/2022] [Indexed: 05/31/2023]
Abstract
OBJECTIVE To describe the incidence, clinical features and perinatal outcome of late-onset fetal growth restriction (FGR) associated with genetic syndrome or aneuploidy, structural malformation or congenital infection. METHODS This was a retrospective multicenter cohort study of patients who attended one of four tertiary maternity hospitals in Italy. We included consecutive singleton pregnancies between 32 + 0 and 36 + 6 weeks' gestation with either fetal abdominal circumference (AC) or estimated fetal weight < 10th percentile for gestational age or a reduction in AC of > 50 percentiles from the measurement at an ultrasound scan performed between 18 and 32 weeks. The study group consisted of pregnancies with late-onset FGR and a genetic syndrome or aneuploidy, structural malformation or congenital infection (anomalous late-onset FGR). The presence of congenital anomalies was ascertained postnatally in neonates with abnormal findings on antenatal investigation or detected after birth. The control group consisted of pregnancies with structurally and genetically normal fetuses with late-onset FGR. Composite adverse perinatal outcome was defined as the presence of at least one of stillbirth, 5-min Apgar score < 7, admission to the neonatal intensive care unit (NICU), need for respiratory support at birth, neonatal jaundice and neonatal hypoglycemia. The primary aims of the study were to assess the incidence and clinical features of anomalous late-onset FGR, and to compare the perinatal outcome of such cases with that of fetuses with non-anomalous late-onset FGR. RESULTS Overall, 1246 pregnancies complicated by late-onset FGR were included in the study, of which 120 (9.6%) were allocated to the anomalous late-onset FGR group. Of these, 11 (9.2%) had a genetic syndrome or aneuploidy, 105 (87.5%) had an isolated structural malformation, and four (3.3%) had a congenital infection. The most frequent structural defects associated with late-onset anomalous FGR were genitourinary malformations (28/105 (26.7%)) and limb malformation (21/105 (20.0%)). Compared with the non-anomalous late-onset FGR group, fetuses with anomalous late-onset FGR had an increased incidence of composite adverse perinatal outcome (35.9% vs 58.3%; P < 0.01). Newborns with anomalous, compared to those with non-anomalous, late-onset FGR showed a higher frequency of need for respiratory support at birth (25.8% vs 9.0%; P < 0.01), intubation (10.0% vs 1.1%; P < 0.01), NICU admission (43.3% vs 22.6%; P < 0.01) and longer hospital stay (median, 24 days (range, 4-250 days) vs 11 days (range, 2-59 days); P < 0.01). CONCLUSIONS Most pregnancies complicated by anomalous late-onset FGR have structural malformations rather than genetic abnormality or infection. Fetuses with anomalous late-onset FGR have an increased incidence of complications at birth and NICU admission and a longer hospital stay compared with fetuses with isolated late-onset FGR. © 2022 The Authors. Ultrasound in Obstetrics & Gynecology published by John Wiley & Sons Ltd on behalf of International Society of Ultrasound in Obstetrics and Gynecology.
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Prediction of Postoperative Respiratory Complications after Lobectomy in Lung Cancer Patients with COPD by Quantitative Image Analysis: A Historical Cohort Study. Ann Thorac Cardiovasc Surg 2022; 28:411-419. [PMID: 36216576 PMCID: PMC9763719 DOI: 10.5761/atcs.oa.22-00133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
PURPOSE We examined whether preoperative assessment of percentage of low attenuation area (LAA%) on the non-resected side can predict postoperative respiratory complications (PRC) after lobectomy. MATERIALS AND METHODS We conducted a historical cohort study of 217 smokers (175 males and 42 females) who underwent lobectomy for primary lung cancer at our hospital between January 2014 and March 2021. First, the relationship between LAA% and respiratory function parameters (RFPs) calculated for both the bilateral and non-resected sides was used to estimate the most effective patient group. Next, multivariate analyses of the relationship between LAA% of the non-resected side and PRC were performed using logistic regression analysis after adjusting for basic patient attributes and respiratory function. RESULTS A correlation was found between LAA% and RFP in smoking males. Multivariate analysis showed a strong relationship between model 3, adjusted for basic patient attributes and lung function factors, and PRC (odds ratio, 2.43; 95% confidence interval, 1.05-5.63). CONCLUSION LAA% of the non-resected side suggested that it may be able to predict the occurrence of PRC after lung cancer lobectomy.
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The B-APNEIC score: distilling the STOP-Bang questionnaire to identify patients at high risk for severe obstructive sleep apnoea. Anaesthesia 2021; 77:286-292. [PMID: 34473837 DOI: 10.1111/anae.15571] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/03/2021] [Indexed: 12/16/2022]
Abstract
The STOP-Bang questionnaire is an established clinical screening tool to identify the risk of having mild, moderate or severe obstructive sleep apnoea using eight variables. It is unclear whether all eight variables contribute equally to the risk of clinically significant obstructive sleep apnoea. We analysed each variable for its contribution to detecting obstructive sleep apnoea; based on the results, we investigated whether the STOP-Bang questionnaire could be abbreviated to identify patients at high risk for severe obstructive sleep apnoea. We recruited patients with suspected obstructive sleep apnoea who were referred for overnight polysomnography. We used multivariable logistic regression to investigate the association of STOP-Bang parameters with severe obstructive sleep apnoea based on clinical and polysomnography data. Regression estimates were used to select variables to create the novel B-APNEIC score. We constructed receiver operating characteristic curves for the STOP-Bang questionnaire and B-APNEIC scores to identify patients with severe obstructive sleep apnoea and compared the areas under the curve using the DeLong method. Of the 275 patients enrolled, 32% (n = 88) had severe obstructive sleep apnoea. Logistic regression demonstrated that neck circumference (OR 2.20; 95%CI 1.10-4.40, p = 0.03) was the only variable independently associated with severe obstructive sleep apnoea. Observed apnoea during sleep, blood pressure and body mass index were the three next most closely trending predictors of severe obstructive sleep apnoea and were included along with neck circumference in the B-APNEIC score. Receiver operating curves demonstrated that the areas under the curve for STOP-Bang vs. B-APNEIC were comparable for identifying patients with severe obstructive sleep apnoea (OR 0.75; 95%CI 0.68-0.81 vs. OR 0.75; 95%CI 0.68-0.81: p = 0.99, respectively). Our results suggest that the B-APNEIC score is a simplified adaptation of the STOP-Bang questionnaire with equivalent effectiveness in identifying patients with severe obstructive sleep apnoea. Further studies are needed to validate and build on our findings.
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Comparison of Thoracic Epidural Analgesia and Traditional Intravenous Analgesia With Respect to Postoperative Respiratory Effects in Cardiac Surgery. J Cardiothorac Vasc Anesth 2020; 35:1800-1805. [PMID: 33059978 DOI: 10.1053/j.jvca.2020.09.110] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 11/11/2022]
Abstract
OBJECTIVES Surgical stress and pain affect the respiratory condition of patients and can cause complications that affect morbidity and mortality in cardiac surgeries. The authors studied the effect of thoracic epidural analgesia (TEA) versus traditional intravenous analgesia on postoperative respiratory mechanics in cardiac surgery. DESIGN Retrospective, observational study. SETTING Single, university hospital. PARTICIPANTS Patients undergoing cardiac surgery. INTERVENTIONS Comparing the postoperative respiratory effects of TEA with bupivacaine or intravenous analgesia with tramadol or paracetamol or dexmedetomidine. MEASUREMENTS AND MAIN RESULTS A total of 1,369 patients were screened, and 1,280 patients were enrolled in the study. Postoperative sedation and analgesia level, extubation times, respiratory complications, lengths of intensive care and hospital stay, morbidity, and mortality were compared. Additional sedative and analgesic drug requirement in the TEA group (25.3% and 60.1% respectively) were significantly lower than the intravenous group (41.4% and 71.8%, respectively; p < 0.001 and p < 0.05, respectively). Extubation time in the TEA group also was significantly lower than the intravenous group (p < 0.01). Respiratory complication and hospital stay in the TEA group were lower than intravenous group (p < 0.05). CONCLUSIONS TEA provided better postoperative respiratory condition via better sedative analgesia in cardiac surgery.
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Updates in rare and not-so-rare complications of acromegaly: focus on respiratory function and quality of life in acromegaly. F1000Res 2020; 9. [PMID: 32765836 PMCID: PMC7391012 DOI: 10.12688/f1000research.22683.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/20/2020] [Indexed: 02/06/2023] Open
Abstract
Acromegaly is a complex disease with excessive growth hormone and insulin-like growth factor 1 (IGF-1) causing multisystem effects, particularly cardiovascular, respiratory, and metabolic. Psychological concerns and poor quality of life (QoL) are also major disease consequences. This review is intended for clinicians and focuses on the latest developments related to respiratory and QoL effects of long-term growth hormone excess. Along with biochemical disease control, patient treatment satisfaction and outcomes have become major treatment objectives; current knowledge and tools to evaluate and manage this aspect of the disease are described. Sleep apnea syndrome and other derangements of lung function and apparatus, from pathophysiology to treatment, and evaluation tools and determinants of QoL in patients with acromegaly are discussed.
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Early Respiratory Impairment and Pneumonia after Hybrid Laparoscopically Assisted Esophagectomy-A Comparison with the Open Approach. J Clin Med 2020; 9:jcm9061896. [PMID: 32560416 PMCID: PMC7355913 DOI: 10.3390/jcm9061896] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 06/03/2020] [Accepted: 06/08/2020] [Indexed: 12/23/2022] Open
Abstract
Patients undergoing esophageal cancer surgery are at high risk of developing severe pulmonary complications. Beneficial effects of minimally invasive esophagectomy had been discussed recently, but the incidence of perioperative respiratory impairment remains unclear. This is a retrospective single-center cohort study of patients, who underwent open (OE) or laparoscopically assisted, hybrid minimally invasive abdomino-thoracic esophagectomy (LAE) for cancer regarding respiratory impairment (PaO2/FiO2 ratio (P/FR) < 300 mmHg) and pneumonia. No differences were observed in the cumulative incidence of reduced P/FR between OE and LAE patients. Of note, until postoperative day (POD) 2, P/FR did not differ among both groups. Thereafter, the rate of patients with respiratory impairment was higher after OE on POD 3, 5, and 10 (p ≤ 0.05) and tended being higher on POD 7 and 9 (p ≤ 0.1). Although the duration of LAE procedure was slightly longer (total: p = 0.07, thoracic part: p = 0.004), the duration of surgery (Spearman's rank correlation coefficient (rsp) = -0.267, p = 0.006), especially of laparotomy (rsp = -0.242, p = 0.01) correlated inversely with respiratory impairment on POD 3 after OE. Pneumonia occurred on POD 5 (1-25) and 8.5 (3-14) after OE and LAE, respectively, with the highest incidence after OE (p = 0.01). In conclusion, respiratory impairment and pulmonary complications occur frequently after esophagectomy. Although early respiratory impairment is independent of the surgical approach, postoperative pneumonia rate is reduced after LAE.
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Respiratory complications following mini-invasive laparoscopic and thoracoscopic esophagectomy for esophageal cancer. Experience in 215 patients. Wideochir Inne Tech Maloinwazyjne 2018; 14:52-59. [PMID: 30766629 PMCID: PMC6372868 DOI: 10.5114/wiitm.2018.77276] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Accepted: 06/16/2018] [Indexed: 01/06/2023] Open
Abstract
Introduction Respiratory complications (RC) including respiratory failure and adult respiratory distress syndrome (ARDS) affect the outcomes of esophagectomy substantially. In order to decrease their incidence, identification of important features of RC is necessary. Aim To evaluate the incidence and risk factors of postoperative RC following hybrid esophagectomy. Material and methods The retrospective analysis of consecutive hybrid esophagectomies for malignancies (transhiatal laparoscopic or thoracoscopic resection and limited open reconstruction phase) assessed the incidence and outcomes of RC in relation to the patients’ age, ASA score, neoadjuvant therapy, type of surgical procedure, TNM stage, the incidence of anastomotic leak and Clavien-Dindo classification. Results Transhiatal laparoscopic (176, 81.9%) or thoracoscopic hybrid esophagectomy (39, 18.1%, conversion in 7 patients) was completed in 215 patients, 187 (87%) men and 28 (13%) women. Respiratory complications developed in 86 (40%) and severe respiratory failure or ARDS occurred in 29 (13.5%) patients. The overall in-hospital mortality was 7.4%, 30-day mortality 5.6% (RC 9, myocardial infarction 1, conduit necrosis 1), and 90-day mortality a further 1.8% (multiple organ failure, ARDS). The incidence of RC correlates significantly with ASA score II and III (p = 0.0002) and Clavien-Dindo grade 4 and 5 in severe RC (p < 0.0001). Furthermore, hospital stay (p < 0.0001) and mortality (p < 0.0001) were significantly increased in RC. Conclusions The results show a higher occurrence of RC in polymorbid patients and patients with severe complications according to the Clavien-Dindo classification. Adequate risk management including surgical technique and perioperative prophylaxis and therapy of RC should be studied and standardized.
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Effect of Exposure to Cement Dust among the Workers: An Evaluation of Health Related Complications. Open Access Maced J Med Sci 2018; 6:1159-1162. [PMID: 29983820 PMCID: PMC6026423 DOI: 10.3889/oamjms.2018.233] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Revised: 05/09/2018] [Accepted: 05/10/2018] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND: Cement contains various types of chemicals in addition to lime and silica, and such chemicals cause different health complications and pathogenesis in addition to respiratory disorders. The most important occupational hazards for cement workers are allergy and complication related to respiratory system. AIM: The current study was performed by analysing the questionnaire distributed among the workers and also by the sputum collected from them to study the general health conditions and other life activities. METHODS: Sputum samples were assayed for cytological analysis by Hematoxylin and Eosin staining. RESULTS: In this study, it was observed that majority of these workers suffered from different types of respiratory complications, such as a cough, asthma and lung infections. In addition to this, few subjects showed allergy and other complication like hypertension, diabetes and backache. Moreover, cytological analysis of the sputum was made, and it was observed that majority of the subjects showed severe inflammation. CONCLUSION: Based on these finding, we concluded that long-term cement dust exposure and inhalation causes respiratory complications due to epithelial tissue damage and that can lead to secondary complications as well.
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Risk factors and the surgery affection of respiratory complication and its mortality after acute traumatic cervical spinal cord injury. Medicine (Baltimore) 2017; 96:e7887. [PMID: 28885343 PMCID: PMC6392870 DOI: 10.1097/md.0000000000007887] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The aim of this study is to estimate the risk factors of both respiratory complication (RC) and mortality after acute traumatic cervical spinal cord injury (TCSCI). Between July 2005 and July 2015, in 181 patients (142 males and 39 females; mean age 41.0 years) with acute TCSCI, we compared the difference and odds ratio in RC group (n = 73) with that of non-RC group (n = 108), and also death group (n = 15) and survival group (n = 166). We collected injury-related information after half a year of injury, which is as follows: the causes of injury, time of surgery, ICU (intensive care unit) days, ventilator days, ASIA (American Spinal Injury Association) classification, neurological injury, CIPS (Clinical Pulmonary Infection Score), and BMI (body mass index). Besides these, we gathered the general information such as age, gender, smoking history, and use of steroids. The study compared perioperative parameters; surgery-related and instrumentation- and graft-related complication rates; clinical parameters; patient satisfaction; and radiologic parameters. Variations like gender (odds ratio [OR] = 1.269, 95% confidence interval [CI] [0.609-2.646]), smoking history (OR = 2.902, 95% CI [1.564-5.385]), AIS grade (grade A) (OR = 6.439, 95% CI [3.334-12.434]), neurological level (C1-C4) (OR = 2.714, 95% CI [1.458-5.066]), and steroid use (OR = 2.983, 95% CI [1.276-6.969]) have a facilitated effect on RC. When we estimated surgery-related affection, only the time of surgery and anterior approach compared with posterior has significant difference in RC (P < .05). Between death and survival group, the aspect of age, non-surgical, CPIS, AIS grade, and BMI have statistically significant difference. Survival analysis reveals significant difference in aforementioned groups. In patients suffering from acute TCSCI, those who are old, have long smoking history, complete spinal cord injury, C1-C4, high CPIS, and fat have high incidence of RC and mortality.
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Abstract
OBJECTIVE Respiratory complications account for a major cause of morbidity and mortality in subjects with spinal cord injury (SCI) due to paralysis of the expiratory muscles and the consequent inability to generate effective cough. We demonstrated previously that effective cough can be restored in SCI via spinal cord stimulation (SCS) with disc leads positioned on the lower thoracic and upper lumbar spinal cord via laminotomy incisions. In this study, the effectiveness of wire leads, which can be placed using minimally invasive techniques, to activate the expiratory muscles was evaluated. DESIGN Animal study. SETTING Research laboratory. ANIMALS Dogs (n = 8). INTERVENTIONS In separate trials, disc and wire leads were inserted onto the dorsal epidural space at the T9, T11, and L1 spinal cord levels. Effects of electrical stimulation with disc, single wire, and two wire leads placed in parallel were compared. OUTCOME MEASURES Airway pressure generation following stimulation with disc and various configurations of wire leads were compared. RESULTS Several different configurations of wire leads resulted in airway pressures that were similar to those generated with monopolar stimulation with disc leads (MSDLs). For example, combined monopolar stimulation with parallel wire leads at the T9 + T11 and T9 + L1 levels resulted in airway pressures that were 103.5 ± 6.4 and 101.9 ± 7.0%, respectively, of those achieved with MSDL. Bipolar stimulation with parallel wire leads at T9-T11 and T9-L1 resulted in airway pressures that were 94.2 ± 3.4 and 96.8 ± 5.0%, respectively, of the pressures achieved with MSDL. Other wire configurations were also evaluated, but were generally less effective. CONCLUSION These results suggest that specific configurations of wire leads, which can be placed via minimally invasive techniques, result in comparable activation of the expiratory muscles compared to disc leads and may be a useful technique to restore cough in persons with SCI.
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Respiratory management during the first five days after spinal cord injury. J Spinal Cord Med 2007; 30:309-18. [PMID: 17853652 PMCID: PMC2031940 DOI: 10.1080/10790268.2007.11753946] [Citation(s) in RCA: 125] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2006] [Accepted: 04/15/2007] [Indexed: 10/21/2022] Open
Abstract
Respiratory complications are the most common cause of morbidity and mortality in acute spinal cord injury (SCI), with an incidence of 36% to 83%. Eighty percent of deaths in patients hospitalized with cervical SCI are secondary to pulmonary dysfunction, with pneumonia the cause in 50% of the cases. The number of respiratory complications during the acute hospital stay contributes significantly to the length of hospital stay and cost. Four factors (use of mechanical ventilation, pneumonia, the need for surgery, and use of tracheostomy) explain nearly 60% of hospital costs and may be as important a predictor of hospital cost as level of injury. Atelectasis (36.4%), pneumonia (31.4%), and ventilatory failure (22.6%) are the most common complications during the first 5 days after injury. Ventilatory failure occurs on average 4.5 days after injury. Transfer to an SCI center specializing in acute management of tetraplegia has been shown to significantly reduce the number of respiratory complications. This review concentrates on the first 5 days after injury, focusing on complications, predictive factors, prevention, and management of those complications.
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