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Diaphragmatic breathing

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https://www.readbyqxmd.com/read/29233365/acute-trans-diaphragmatic-herniation-of-the-caudate-lobe-of-the-liver
#1
Ioannis Loumiotis, Milan M Kinkhabwala, Amit Bhargava
Diaphragmatic liver herniation is often associated with thoracoabdominal trauma. Spontaneous diaphragmatic rupture is a thoracoabdominal emergency and requires a high index of suspicion combined with high-resolution imaging studies for establishing an accurate and timely diagnosis. We present a case report of a patient who was admitted to the emergency department with severe substernal chest pain and shortness of breath who was diagnosed with spontaneous diaphragmatic rupture and caudate liver herniation. The caudate lobe was incarcerated, contributing to the patient's symptoms...
January 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29222852/free-breathing-whole-heart-3d-cine-magnetic-resonance-imaging-with-prospective-respiratory-motion-compensation
#2
Mehdi H Moghari, Ashita Barthur, Maria E Amaral, Tal Geva, Andrew J Powell
PURPOSE: To develop and validate a new prospective respiratory motion compensation algorithm for free-breathing whole-heart 3D cine steady-state free precession (SSFP) imaging. METHODS: In a 3D cine SSFP sequence, 4 excitations per cardiac cycle are re-purposed to prospectively track heart position. Specifically, their 1D image is reconstructed and routed into the scanner's standard diaphragmatic navigator processing system. If all 4 signals are in end-expiration, cine image data from the entire cardiac cycle is accepted for image reconstruction...
December 8, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29221294/using-m-mode-ultrasonography-to-assess-diaphragm-dysfunction-and-predict-the-success-of-mechanical-ventilation-weaning-in-elderly-patients
#3
Daozheng Huang, Huan Ma, Wenzhao Zhong, Xiaoting Wang, Yan Wu, Tiehe Qin, Shouhong Wang, Ning Tan
Background: Ultrasonography (US) is a non-invasive and commonly available bedside diagnostic tool. The aim of this study was to assess the utility of M-mode US on ventilator weaning outcomes in elderly patients. Methods: This was a single center, prospective, observational study in patients aged 80 years or older who were in the medical intensive care unit, had undergone mechanical ventilation for >48 hours, and met the criteria for a spontaneous breathing trial (SBT)...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29219796/-an-infant-with-moaning-breathing
#4
M S M Zijderveld, M Ruige
A girl of 3.5 months old was presented at the emergency department because of sudden onset of moaning breathing. Clinical examination and imaging showed a congenital diaphragmatic hernia.
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29191205/different-effects-of-cardiac-and-diaphragm-function-assessed-by-ultrasound-on-extubation-outcomes-in-difficult-to-wean-patients-a-cohort-study
#5
Ling Luo, Yidan Li, Xiukai Chen, Bing Sun, Wenxiong Li, Wei Gu, Shuo Wang, Song Zhao, Yanwei Lv, Mulei Chen, Jingen Xia, Feng Sui, Xue Mei, Huanzhong Shi, Zhaohui Tong
BACKGROUND: Ultrasound is a convenient tool to evaluate cardiac and diaphragm function. The ratio (E/Ea) of mitral Doppler inflow velocity to annular tissue Doppler wave velocity by transthoracic echocardiography (TTE) and diaphragmatic excursion (DE) by diaphragm ultrasound have been confirmed in predicting extubation outcomes independently, however their different roles in the weaning process have not been determined until now. METHODS: We designed a cohort study to preform diaphragm ultrasound and TTE before and after the spontaneous breathing trial (SBT) in difficult-to-wean patients...
December 1, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29190622/classifying-apnea-of-prematurity-by-transcutaneous-electromyography-of-the-diaphragm
#6
Juliette V Kraaijenga, Gerard J Hutten, Cornelia G de Waal, Frans H de Jongh, Wes Onland, Anton H van Kaam
BACKGROUND: Treatment of apnea is highly dependent on the type of apnea. Chest impedance (CI) has inaccuracies in monitoring respiration, which compromises accurate apnea classification. Electrical activity of the diaphragm measured by transcutaneous electromyography (EMG) is feasible in preterm infants and might improve the accuracy of apnea classification. OBJECTIVES: To compare the accuracy of apnea classification based on diaphragmatic EMG (dEMG) and CI tracings in preterm infants...
December 1, 2017: Neonatology
https://www.readbyqxmd.com/read/29184705/phrenic-nerve-decompression-for-the-management-of-unilateral-diaphragmatic-paralysis-preoperative-evaluation-and-operative-technique
#7
Reid Hoshide, Justin Brown
Background: Unilateral diaphragmatic paralysis (UDP) can be a very disabling, typically causing shortness of breath and reduced exercise tolerance. We present a case of a surgical decompression of the phrenic nerve of a patient who presented with UDP, which occurred following cervical spine surgery. Methods: The workup for the etiology of UDP demonstrated paradoxical movement on "sniff test" and notably impaired pulmonary function tests. Seven months following the onset of the UDP, he underwent a surgical decompression of the phrenic nerve at the level of the anterior scalene...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29165681/diaphragmatic-function-in-infants-and-children-with-congenital-diaphragmatic-hernia-a-cross-sectional-study
#8
Sonia Khirani, Alessandro Amaddeo, Naziha Khen-Dunlop, Jorge Olmo Arroyo, Alexandre Lapillonne, Odile Becquet, Elsa Kermorvant-Duchemin, Sylvie Beaudoin, Véronique Rousseau, Christophe Delacourt, Brigitte Fauroux
OBJECTIVES: Few studies have evaluated long-term diaphragmatic function in congenital diaphragmatic hernia (CDH). The aim of our cross-sectional study was to assess diaphragmatic function in infants and young children with CDH after surgical repair. METHODS: All the patients with CDH repair followed in our centre between February 2014 and January 2016 were enrolled. Patients with a postnatal diagnosis after 1 month of life were excluded. Breathing pattern and diaphragmatic function were assessed using esophageal and gastric (Pgas) pressure recording after surgery, or at 1 or 5 years of age...
November 20, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29148039/3d-analysis-of-sexual-dimorphism-in-size-shape-and-breathing-kinematics-of-human-lungs
#9
Nicole Torres-Tamayo, Daniel García-Martínez, Stephanie Lois Zlolniski, Isabel Torres-Sánchez, Francisco García-Río, Markus Bastir
Sexual dimorphism in the human respiratory system has been previously reported at the skeletal (cranial and thoracic) level, but also at the pulmonary level. Regarding lungs, foregoing studies have yielded sex-related differences in pulmonary size as well as lung shape details, but different methodological approaches have led to discrepant results on differences in respiratory patterns between males and females. The purpose of this study is to analyse sexual dimorphism in human lungs during forced respiration using 3D geometric morphometrics...
November 17, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/29111136/factors-associated-with-response-to-biofeedback-therapy-for-dyssynergic-defecation
#10
Tanisa Patcharatrakul, Jessica Valestin, Amanda Schmeltz, Konrad Schulze, Satish S C Rao
BACKGROUND & AIMS: Biofeedback therapy (BT) is effective for dyssynergic defecation (DD), but it is not widely available or reimbursed, and is labor intensive. It is therefore important to select the appropriate patients for this treatment. We investigated symptoms and demographic, manometric, and other factors associated with outcomes of BT in patients with DD. METHODS: We performed a post-hoc analysis of 2 prospective studies of BT in 127 adult outpatients (18-75 years old, 120 female) with chronic constipation who failed to respond to treatment with dietary fiber or laxatives (>1 year) and were diagnosed with DD based on standard criteria...
October 27, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29104130/diaphragmatic-breathing-reduces-belching-and-proton-pump-inhibitor-refractory-gastroesophageal-reflux-symptoms
#11
Andrew Ming-Liang Ong, Laura Teng-Teng Chua, Christopher Jen-Lock Khor, Ravishankar Asokkumar, Vikneswaran Namasivayam, Yu-Tien Wang
BACKGROUND & AIMS: In patients with gastroesophageal reflux disease (GERD) and excessive belching, most belches are supragastric, and can induce reflux episodes and worsen GERD. Supragastric belching (SGB) might be reduced with diaphragmatic breathing exercises. We investigated whether diaphragmatic breathing therapy is effective in reducing belching and proton pump inhibitor (PPI) refractory gastroesophageal reflux symptoms. METHODS: We performed a prospective study of 36 consecutive patients with GERD refractory to PPI therapy and a belching visual analogue scale (VAS) score of 6 or more, seen at a gastroenterology clinic at a tertiary hospital in Singapore from April 2015 through October 2016...
November 2, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29068881/correction-of-paradoxical-ribcage-motion-in-scoliosis-by-non-invasive-ventilation
#12
William J M Kinnear, Milind Sovani, Arun Khanna, Juliet Colt
STUDY DESIGN: Observational study of ribcage motion in scoliosis. OBJECTIVE: To see if non-invasive ventilation corrected paradoxical inward motion of the ribs during inspiration. SUMMARY OF BACKGROUND DATA: Paradoxical inward motion of the ribs is observed following rib fractures, low cervical cord injury and in chronic obstructive pulmonary disease. It is not well recognised in scoliosis and the mechanism in this group has not been studied...
October 24, 2017: Spine
https://www.readbyqxmd.com/read/29059940/patient-specific-respiratory-motion-estimation-using-sparse-motion-field-presentation
#13
Dong Chen, Hongzhi Xie, Shuyang Zhang, Weisheng Chen, Lixu Gu
Respiratory motion estimation plays a significant role in radiation therapy. Previous motion estimation approaches usually depended on 4DCT, which introduced extra radio dose for patients, and the local motion details were ignored in the statistical model. In this paper, we propose a novel estimation framework, which employs the Sparse Motion Field Presentation (SMFP) method to obtain a coarse motion estimation which preserves patient-specific respiratory motion details and an Adaptive Variable Coefficient (AVC) motion prior registration approach is applied for the accurate estimation...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29056971/delayed-presentation-of-posttraumatic-diaphragmatic-hernia-masquerading-as-recurrent-acute-asthmatic-attack
#14
A I El-Yakub, U M Bello, A A Sheshe, H U Naaya
Diaphragmatic hernia following blunt abdominal injury is extremely rare and often diagnosed late. Missed diagnosis is also common with this condition. We herein present a delayed presentation of diaphragmatic hernia following blunt abdominal injury that was initially misdiagnosed as recurrent acute asthmatic attack due to repeated presentation with episodic difficulty in breathing.
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/29056361/compensatory-plasticity-in-diaphragm-and-intercostal-muscle-utilization-in-a-rat-model-of-als
#15
Yasin B Seven, Nicole L Nichols, Mia N Kelly, Orinda R Hobson, Irawan Satriotomo, Gordon S Mitchell
In SOD1(G93A) transgenic rat model of ALS, breathing capacity is preserved until late in disease progression despite profound respiratory motor neuron (MN) cell death. To explore mechanisms preserving breathing capacity, we assessed inspiratory EMG activity in diaphragm and external intercostal T2 (EIC2) and T5 (EIC5) muscles in anesthetized SOD1(G93A) rats at disease end-stage (20% decrease in body mass). We hypothesized that despite significant phrenic motor neuron loss and decreased phrenic nerve activity, diaphragm electrical activity and trans-diaphragmatic pressure (Pdi) are maintained to sustain ventilation...
October 19, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/29040352/preoperative-respiratory-physiotherapy-in-abdominoplasty-patients
#16
Maria Amélia Rodrigues, Lydia Masako Ferreira, Eliziane Nitz de Carvalho Calvi, Fábio Xerfan Nahas
Background: After abdominoplasty, patients experience decreased ventilatory function and increased intra-abdominal pressure (IAP). Breathing exercises are used during the pre- and postoperative periods of several abdominal surgeries to prevent or minimize postoperative complications. Objectives: The aim of this study was to assess the effect of preoperative respiratory physiotherapy on the outcome of abdominoplasty patients. Methods: Thirty-three patients were divided into 2 groups...
June 28, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28977536/transabdominal-robot-assisted-diaphragmatic-plication-a-3-5-year-experience
#17
Sreeja Biswas Roy, Cassandra Haworth, Taylor Ipsen, Paul Kang, David Hill, Annie Do, Elbert Kuo
OBJECTIVES: Diaphragmatic paralysis, a known cause of dyspnoea, can drastically reduce breathing efficiency, diminishing quality of life. We report our 3.5-year experience with 22 consecutive patients who underwent transabdominal, robot-assisted diaphragmatic plication for diaphragmatic paralysis. METHODS: We retrospectively reviewed 22 consecutive patients who underwent this procedure by a single surgeon from 5 September 2012 to 12 May 2016. The primary outcome measure was change in dyspnoea severity, which was measured with the 5-point Medical Research Council dyspnoea scale (a score of 5 indicates breathlessness so severe, the individual is homebound)...
July 25, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28969459/stress-management-intervention-a-pilot-evaluation-in-an-urban-adolescent-medicine-clinic
#18
Kimberly Burkhart, Elizabeth Mason, Rina Lazebnik
Thirty patients aged 11 to 21 years presenting in an adolescent medicine clinic received a one-time stress management intervention. The intervention included psychoeducation on the effect stress has on the body and the positive benefits of exercise, diaphragmatic breathing, and progressive muscle relaxation. The intervention also included use of a biofeedback game to aid in relaxation. Analyses revealed an association between higher levels of internalizing symptoms and perceived stress. A clinically significant decrease in subjective distress was endorsed at post-intervention...
September 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/28941270/external-and-internal-ontogenetic-changes-in-the-first-rib
#19
Daniel García-Martínez, Orosia García Gil, Oscar Cambra-Moo, María Canillas, Miguel A Rodríguez, Markus Bastir, Armando González Martín
OBJECTIVES: First ribs bear information about thorax morphology and are usually well preserved, compared to other ribs, in bone/fossil samples. Several studies have addressed ontogeny of the first rib by studying changes in bone microanatomy and rib morphology separately, but no studies have combined both approaches to study how internal and external changes covary during ontogeny. The aim of this project is to fill this gap in our knowledge. MATERIALS AND METHODS: We applied 3D geometric morphometrics of sliding semilandmarks to 14 first ribs of Homo sapiens to quantify rib curvature and mid-shaft cross-section outline...
September 23, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28890403/sex-differences-in-respiratory-muscle-activation-patterns-during-high-intensity-exercise-in-healthy-humans
#20
Reid A Mitchell, Michele R Schaeffer, Andrew H Ramsook, Sabrina S Wilkie, Jordan A Guenette
Although women experience greater ventilatory constraints and have a higher work of breathing during exercise, they are less susceptible to diaphragm fatigue compared to men. The mechanisms for diaphragmatic fatigue resistance in women is unknown but may be related to sex differences in respiratory muscle recruitment. Accordingly, the purpose of this study was to determine if electromyography (EMG) of the diaphragm (EMGdi) and extra-diaphragmatic inspiratory muscles differ between sexes during exercise. Forty subjects (21M:19F) completed a constant load cycling test at 85% of maximum work rate until exhaustion, while instrumented with an oesophageal electrode catheter to measure EMGdi and surface electrodes to measure EMG of the sternocleidomastoid (EMGscm) and scalene (EMGsca) muscles...
September 7, 2017: Respiratory Physiology & Neurobiology
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