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Hyndman TH, Bowden RS, Woodward AP, Pang DSJ, Hampton JO. Uncontrolled pain: a call for better study design. Front Vet Sci 2024; 11:1328098. [PMID: 38420206 PMCID: PMC10899387 DOI: 10.3389/fvets.2024.1328098] [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: 10/26/2023] [Accepted: 01/02/2024] [Indexed: 03/02/2024] Open
Abstract
Studies assessing animal pain in veterinary research are often performed primarily for the benefit of animals. Frequently, the goal of these studies is to determine whether the analgesic effect of a novel treatment is clinically meaningful, and therefore has the capacity to improve the welfare of treated animals. To determine the treatment effect of a potential analgesic, control groups are necessary to allow comparison. There are negative control groups (where pain is unattenuated) and positive control groups (where pain is attenuated). Arising out of animal welfare concerns, there is growing reluctance to use negative control groups in pain studies. But for studies where pain is experimentally induced, the absence of a negative control group removes the opportunity to demonstrate that the study methods could differentiate a positive control intervention from doing nothing at all. For studies that are controlled by a single comparison group, the capacity to distinguish treatment effects from experimental noise is more difficult; especially considering that pain studies often involve small sample sizes, small and variable treatment effects, systematic error and use pain assessment measures that are unreliable. Due to these limitations, and with a focus on farm animals, we argue that many pain studies would be enhanced by the simultaneous inclusion of positive and negative control groups. This would help provide study-specific definitions of pain and pain attenuation, thereby permitting more reliable estimates of treatment effects. Adoption of our suggested refinements could improve animal welfare outcomes for millions of animals globally.
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Affiliation(s)
- Timothy H. Hyndman
- School of Veterinary Medicine, Murdoch University, Murdoch, WA, Australia
- Harry Butler Research Institute, Murdoch University, Murdoch, WA, Australia
| | - Ross S. Bowden
- School of Mathematics, Statistics, Chemistry and Physics, Murdoch University, Murdoch, WA, Australia
| | | | - Daniel S. J. Pang
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Jordan O. Hampton
- Harry Butler Research Institute, Murdoch University, Murdoch, WA, Australia
- Faculty of Science, University of Melbourne, Parkville, VIC, Australia
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Aulehner K, Leenaars C, Buchecker V, Stirling H, Schönhoff K, King H, Häger C, Koska I, Jirkof P, Bleich A, Bankstahl M, Potschka H. Grimace scale, burrowing, and nest building for the assessment of post-surgical pain in mice and rats-A systematic review. Front Vet Sci 2022; 9:930005. [PMID: 36277074 PMCID: PMC9583882 DOI: 10.3389/fvets.2022.930005] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 08/22/2022] [Indexed: 11/04/2022] Open
Abstract
Several studies suggested an informative value of behavioral and grimace scale parameters for the detection of pain. However, the robustness and reliability of the parameters as well as the current extent of implementation are still largely unknown. In this study, we aimed to systematically analyze the current evidence-base of grimace scale, burrowing, and nest building for the assessment of post-surgical pain in mice and rats. The following platforms were searched for relevant articles: PubMed, Embase via Ovid, and Web of Science. Only full peer-reviewed studies that describe the grimace scale, burrowing, and/or nest building as pain parameters in the post-surgical phase in mice and/or rats were included. Information about the study design, animal characteristics, intervention characteristics, and outcome measures was extracted from identified publications. In total, 74 papers were included in this review. The majority of studies have been conducted in young adult C57BL/6J mice and Sprague Dawley and Wistar rats. While there is an apparent lack of information about young animals, some studies that analyzed the grimace scale in aged rats were identified. The majority of studies focused on laparotomy-associated pain. Only limited information is available about other types of surgical interventions. While an impact of surgery and an influence of analgesia were rather consistently reported in studies focusing on grimace scales, the number of studies that assessed respective effects was rather low for nest building and burrowing. Moreover, controversial findings were evident for the impact of analgesics on post-surgical nest building activity. Regarding analgesia, a monotherapeutic approach was identified in the vast majority of studies with non-steroidal anti-inflammatory (NSAID) drugs and opioids being most commonly used. In conclusion, most evidence exists for grimace scales, which were more frequently used to assess post-surgical pain in rodents than the other behavioral parameters. However, our findings also point to relevant knowledge gaps concerning the post-surgical application in different strains, age levels, and following different surgical procedures. Future efforts are also necessary to directly compare the sensitivity and robustness of different readout parameters applied for the assessment of nest building and burrowing activities.
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Affiliation(s)
- Katharina Aulehner
- Institute of Pharmacology, Toxicology and Pharmacy, Ludwig-Maximilians-University, Munich, Germany
| | - Cathalijn Leenaars
- Institute for Laboratory Animal Science, Hannover Medical School, Hanover, Germany
| | - Verena Buchecker
- Institute of Pharmacology, Toxicology and Pharmacy, Ludwig-Maximilians-University, Munich, Germany
| | - Helen Stirling
- Institute of Pharmacology, Toxicology and Pharmacy, Ludwig-Maximilians-University, Munich, Germany
| | - Katharina Schönhoff
- Institute of Pharmacology, Toxicology and Pharmacy, Ludwig-Maximilians-University, Munich, Germany
| | - Hannah King
- Institute of Pharmacology, Toxicology and Pharmacy, Ludwig-Maximilians-University, Munich, Germany
| | - Christine Häger
- Institute for Laboratory Animal Science, Hannover Medical School, Hanover, Germany
| | - Ines Koska
- Institute of Pharmacology, Toxicology and Pharmacy, Ludwig-Maximilians-University, Munich, Germany
| | - Paulin Jirkof
- Office for Animal Welfare and 3Rs, University of Zurich, Zurich, Switzerland
| | - André Bleich
- Institute for Laboratory Animal Science, Hannover Medical School, Hanover, Germany
| | - Marion Bankstahl
- Institute for Laboratory Animal Science, Hannover Medical School, Hanover, Germany
| | - Heidrun Potschka
- Institute of Pharmacology, Toxicology and Pharmacy, Ludwig-Maximilians-University, Munich, Germany,*Correspondence: Heidrun Potschka
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Dexibuprofen in the Practice of a Family Doctor. Fam Med 2021. [DOI: 10.30841/2307-5112.1.2021.231924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Pain is an unpleasant sensory and emotional sensation associated with tissue damage or described in terms of such damage. Pain of different localization is one of the most common symptoms in modern clinical practice and one of the most common reasons for seeking medical care at the outpatient stage.
One of the most promising and effective pathogenetic means of protection of peripheral pain receptors (nociceptors) are nonsteroidal anti-inflammatory drugs (NSAIDs). Every day, more than 30 million people in the world take NSAIDs, more than 300 million a year, and only a third of them take nonsteroidal anti-inflammatory drugs as prescribed by a doctor. However, patients taking various drugs today are considered as possible etiological and provoking factors in the development of a number of diseases of various organs and systems. All this determines the importance of selecting the optimal drug from the group of nonsteroidal anti-inflammatory drugs both from the standpoint of effectiveness and from the standpoint of safety in real clinical practice and including at the outpatient stage of providing medical care to the patient.
One of the latest developments in this direction is dexibuprofen, the right-handed active isomer of ibuprofen, which according to numerous studies can be used as a symptomatic therapy of pain of mild to moderate intensity of various origins: toothache, back pain, joints, muscles, rheumatic pain, dysmenorrhea, and feel free to recommend it to a wide range of patients, as it has the optimal combination of efficacy and safety profile.
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Grimace Scores: Tools to Support the Identification of Pain in Mammals Used in Research. Animals (Basel) 2020; 10:ani10101726. [PMID: 32977561 PMCID: PMC7598254 DOI: 10.3390/ani10101726] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 12/25/2022] Open
Abstract
The 3Rs, Replacement, Reduction and Refinement, is a framework to ensure the ethical and justified use of animals in research. The implementation of refinements is required to alleviate and minimise the pain and suffering of animals in research. Public acceptability of animal use in research is contingent on satisfying ethical and legal obligations to provide pain relief along with humane endpoints. To fulfil this obligation, staff, researchers, veterinarians, and technicians must rapidly, accurately, efficiently and consistently identify, assess and act on signs of pain. This ability is paramount to uphold animal welfare, prevent undue suffering and mitigate possible negative impacts on research. Identification of pain may be based on indicators such as physiological, behavioural, or physical ones. Each has been used to develop different pain scoring systems with potential benefits and limitations in identifying and assessing pain. Grimace scores are a promising adjunctive behavioural technique in some mammalian species to identify and assess pain in research animals. The use of this method can be beneficial to animal welfare and research outcomes by identifying animals that may require alleviation of pain or humane intervention. This paper highlights the benefits, caveats, and potential applications of grimace scales.
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Mogil JS, Pang DSJ, Silva Dutra GG, Chambers CT. The development and use of facial grimace scales for pain measurement in animals. Neurosci Biobehav Rev 2020; 116:480-493. [PMID: 32682741 DOI: 10.1016/j.neubiorev.2020.07.013] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 06/25/2020] [Accepted: 07/14/2020] [Indexed: 12/20/2022]
Abstract
The measurement of pain in animals is surprisingly complex, and remains a critical issue in veterinary care and biomedical research. Based on the known utility of pain measurement via facial expression in verbal and especially non-verbal human populations, "grimace scales" were first developed a decade ago for use in rodents and now exist for 10 different mammalian species. This review details the background context, historical development, features (including duration), psychometric properties, modulatory factors, and impact of animal grimace scales for pain.
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Affiliation(s)
- Jeffrey S Mogil
- Depts. of Psychology and Anesthesia, Alan Edwards Centre for Research on Pain McGill University, Montreal, QC, Canada.
| | - Daniel S J Pang
- Veterinary Clinical and Diagnostic Services, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Gabrielle Guanaes Silva Dutra
- Depts. of Psychology and Anesthesia, Alan Edwards Centre for Research on Pain McGill University, Montreal, QC, Canada
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de O L Carapeba G, Nicácio IPGA, Stelle ABF, Bruno TS, Nicácio GM, Costa Júnior JS, Giuffrida R, Teixeira Neto FJ, Cassu RN. Comparison of perioperative analgesia using the infiltration of the surgical site with ropivacaine alone and in combination with meloxicam in cats undergoing ovariohysterectomy. BMC Vet Res 2020; 16:88. [PMID: 32178668 PMCID: PMC7075011 DOI: 10.1186/s12917-020-02303-9] [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] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 03/03/2020] [Indexed: 01/31/2023] Open
Abstract
Background Infiltration of the surgical site with local anesthetics combined with nonsteroidal anti-inflammatory drugs may play an important role in improving perioperative pain control. This prospective, randomized, blinded, controlled clinical trial aimed to evaluate intraoperative isoflurane requirements, postoperative analgesia, and adverse events of infiltration of the surgical site with ropivacaine alone and combined with meloxicam in cats undergoing ovariohysterectomy. Forty-five cats premedicated with acepromazine/meperidine and anesthetized with propofol/isoflurane were randomly distributed into three treatments (n = 15 per group): physiological saline (group S), ropivacaine alone (1 mg/kg, group R) or combined with meloxicam (0.2 mg/kg, group RM) infiltrated at the surgical site (incision line, ovarian pedicles and uterus). End-tidal isoflurane concentration (FE’ISO), recorded at specific time points during surgery, was adjusted to inhibit autonomic responses to surgical stimulation. Pain was assessed using an Interactive Visual Analog Scale (IVAS), UNESP-Botucatu Multidimensional Composite Pain Scale (MCPS), and mechanical nociceptive thresholds (MNT) up to 24 h post-extubation. Rescue analgesia was provided with intramuscular morphine (0.1 mg/kg) when MCPS was ≥6. Results Area under the curve (AUC) of FE’ISO was significantly lower (P < 0.0001) in the RM (17.8 ± 3.1) compared to S (23.1 ± 2.2) and R groups (22.8 ± 1.1). Hypertension (systolic arterial pressure > 160 mmHg) coinciding with surgical manipulation was observed only in cats treated with S and R (4/15 cats, P = 0.08). The number of cats receiving rescue analgesia (4 cats in the S group and 1 cat in the R and RM groups) did not differ among groups (P = 0.17). The AUC of IVAS, MCPS and MNT did not differ among groups (P = 0.56, 0.64, and 0.18, respectively). Significantly lower IVAS pain scores were recorded at 1 h in the RM compared to the R and S groups (P = 0.021–0.018). There were no significant adverse effects during the study period. Conclusions Local infiltration with RM decreased intraoperative isoflurane requirements and resulted in some evidence of improved analgesia during the early postoperative period. Neither R nor RM infiltration appeared to result in long term analgesia in cats undergoing ovariohysterectomy.
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Affiliation(s)
- Gabriel de O L Carapeba
- Postgraduate Program in Animal Science, Universidade do Oeste Paulista (UNOESTE), Presidente Prudente, Brazil
| | - Isabela P G A Nicácio
- Postgraduate Program in Animal Science, Universidade do Oeste Paulista (UNOESTE), Presidente Prudente, Brazil
| | - Ana Beatriz F Stelle
- Department of Veterinary Surgery and Anesthesiology, Faculdade de Medicina Veterinária, Universidade do Oeste Paulista (UNOESTE), Presidente Prudente, Brazil
| | - Tatiane S Bruno
- Department of Veterinary Surgery and Anesthesiology, Faculdade de Medicina Veterinária, Universidade do Oeste Paulista (UNOESTE), Presidente Prudente, Brazil
| | - Gabriel M Nicácio
- Department of Veterinary Surgery and Anesthesiology, Faculdade de Medicina Veterinária, Universidade do Oeste Paulista (UNOESTE), Presidente Prudente, Brazil
| | - José S Costa Júnior
- Department of Veterinary Surgery and Anesthesiology, Faculdade de Medicina Veterinária, Universidade do Oeste Paulista (UNOESTE), Presidente Prudente, Brazil
| | - Rogerio Giuffrida
- Postgraduate Program in Animal Science, Universidade do Oeste Paulista (UNOESTE), Presidente Prudente, Brazil
| | - Francisco J Teixeira Neto
- Department of Veterinary Surgery and Animal Reproduction, Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista (UNESP), Botucatu, Brazil
| | - Renata N Cassu
- Postgraduate Program in Animal Science, Universidade do Oeste Paulista (UNOESTE), Presidente Prudente, Brazil. .,Department of Veterinary Surgery and Anesthesiology, Faculdade de Medicina Veterinária, Universidade do Oeste Paulista (UNOESTE), Presidente Prudente, Brazil.
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Costa GL, Nastasi B, Spadola F, Leonardi F, Interlandi C. Effect of levobupivacaine, administered intraperitoneally, on physiological variables and on intrasurgery and postsurgery pain in dogs undergoing ovariohysterectomy. J Vet Behav 2019. [DOI: 10.1016/j.jveb.2018.11.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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8
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Yuan X, Qu P, Fang J, Cai S, Fu S. Effect of Epidural Anesthesia on the Immune Function of Patients with Non-small Cell Lung Cancer. INT J PHARMACOL 2018. [DOI: 10.3923/ijp.2018.826.834] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Zhu J, Liu J, Shen G, Zhong T, Yu X. Comparison of Efficacy Outcomes of Lidocaine Spray, Topical Lidocaine Injection, and Lidocaine General Anesthesia in Nasal Bone Fractures Surgeries: A Randomized, Controlled Trial. Med Sci Monit 2018; 24:4386-4394. [PMID: 29941861 PMCID: PMC6050998 DOI: 10.12659/msm.908468] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Background Lidocaine is widely used as a general and local anesthetic in minor or major surgeries. The objective of the study was to compare postoperative pain relief and adverse events using different forms of lidocaine administration in patients following closed nasal bone reduction surgery. Material/Methods A total of 381 patients with a solitary nasal fracture that could be managed with closed reduction were included in this study and divided into 3 groups of 127 patients in each group. Patients had received 1% lidocaine HCl with epinephrine (LL group), inserted a mesh impregnated with lidocaine spray (TL group), or 1 mg/kg/h lidocaine infusion (GL group) before surgeries. Patients also received morphine when the pain was not controlled. The postoperative pain was assessed at 6 hours and 48 hours after surgery. Postoperative vomiting and nausea were evaluated. Repeated ANOVA/Tukey-Kramer multiple comparisons test was performed at 95% confidence level. Results At 6 hours after surgery, patients in the general lidocaine (GL) group reported decreased postoperative pain compared with those in the topical lidocaine (TL) group (P<0.001, q=6.633) and LL group (P<0.001, q=8.056). The morphine consumption within 48 hours was least in GL group than TL group (P<0.001, q=172.9) and LL group (P<0.001, q=226.42). Lidocaine infusion caused nausea (P<0.001, q=6.742) and vomiting (P<0.001, q=4.306). Conclusions Topical lidocaine anesthesia had the same postoperative pain relief and the least adverse events as local and general lidocaine anesthesia.
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Affiliation(s)
- Jihong Zhu
- Department of Anesthesiology, Sir Run Run Shaw Hospital of Zhejiang University, Hangzhou, Zhejiang, China (mainland)
| | - Jian Liu
- Department of General Surgery, Wuyi Traditional Chinese Medical Hospital, Jinhua, Zhejiang, China (mainland)
| | - Guoying Shen
- Our-Patient Department, Sir Run Run Shaw Hospital of Zhejiang University, Hangzhou, Zhejiang, China (mainland)
| | - Taidi Zhong
- Department of Anesthesiology, Sir Run Run Shaw Hospital of Zhejiang University, Hangzhou, Zhejiang, China (mainland)
| | - Xin Yu
- Department of Anesthesiology, Sir Run Run Shaw Hospital of Zhejiang University, Hangzhou, Zhejiang, China (mainland)
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Li Y, Liang W, Zhang J, Peng R. Association of Difference in Coronary Sinus Diameter by Computed Tomographic Angiography Between Patients in and Not in Stable Atherosclerotic Plaque(S). Med Sci Monit 2018; 24:3265-3273. [PMID: 29774887 PMCID: PMC5987609 DOI: 10.12659/msm.907934] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Background Pathological finding fail to describe the morphology of coronary arterial plaques. Retrograde cardiac arteriography is a complicated procedure and does not detect all left posterior and marginal veins of the heart. Magnetic resonance angiography has long scan time and low spatial resolution. The objective of the present study was to assess the possible utility of the difference in coronary sinus diameter to quantify stable atherosclerotic plaque(s) using 256-slice coronary computed tomographic angiography. Material/Methods A total of 336 patients were divided into 2 groups with 168 patients each. Patients who had heart failure were included in the study group and those who did not were included in the non-study group. Patients were subjected to cross-sectional study. Cardiovascular images were performed with 256-slice coronary computed tomographic angiography with a prospective electrocardiogram and clinical manifestation. Two-tailed paired t test following Dunnett’s multiple comparison tests was performed for the quantitative measurement of coronary computed tomographic angiography and clinical manifestation at 99% confidence level. Results The clinical manifestation did not clearly show cardiac abnormality. The diameters of the superoinferior coronary sinus ostium was than that of the anteroposterior coronary sinus ostium, (p<0.0001, q=26.325). There was the difference in size of the coronary sinus ostium between patients in and not in heart failure (p<0.0001). The study group patients had longer coronary sinuses than patients in the non-study group (p<0.0001). Conclusions 256-slice computed tomographic angiography is a feasible and is non-invasive bio-tool for evaluation of coronary artery anatomy.
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Affiliation(s)
- Yancui Li
- Department of Radiology, Beijing Luhe Hospital, Capital Medical University, Beijing, China (mainland)
| | - Wen Liang
- Department of Ultrasound, Beijing Luhe Hospital, Capital Medical University, Beijing, China (mainland)
| | - Jianchun Zhang
- Department of Cardiovascular, Beijing Luhe Hospital, Capital Medical University, Beijing, China (mainland)
| | - Ruchen Peng
- Department of Radiology, Beijing Luhe Hospital, Capital Medical University, Beijing, China (mainland)
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Zhang S, Fu J, Duan Z. Comparison of the Efficacy, Side Effects, and Cost of Modafinil and Intranasal Mometasone Furoate in Obstructive Sleep Apnea-Hypopnea Syndrome: A Preliminary Clinical Study. Med Sci Monit 2018; 24:3084-3092. [PMID: 29749371 PMCID: PMC5973497 DOI: 10.12659/msm.907565] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Background Obstructive sleep apnea-hypopnea syndrome (OSAHS) is characterized by repeated episodes of reduction in airflow due to the collapse of the upper airway during sleep. The aim of this study was to compare clinical outcome, side effects, and cost of treatment between modafinil and intranasal mometasone furoate in patients with OSAHS. Material/Methods Patients with OSAHS (N=250) were divided into two groups: the modafinil group (MG) (N=125) were treated with 100 mg modafinil twice a day; the intranasal mometasone furoate group (IMFG) (N=125) were treated with 100 μg of intranasal mometasone furoate in the evening. Quality of life, grading of OSAHS, plain-film radiography, the adenoidal-nasopharyngeal ratio (AN ratio), side effects, cost of treatment, and beneficial effects after discontinuation of treatment were evaluated for all patients. Results Duration of sleep apnea was significantly reduced in the IMFG compared with the MG (p=0.0145, q=9.262). Modafinil and intranasal mometasone furoate both had moderate effects on improvement of the OSAHS score. The IMFG showed a significantly greater beneficial effect on the AN ratio when compared with the MG (p=0.0001, q=6.584). No adverse events of treatment with modafinil and intranasal mometasone furoate were reported. Cost of treatment and beneficial effect after discontinuation were both significantly greater for the IMFG compared with the MG. Conclusions The findings of this preliminary clinical study were that for patients diagnosed with OSAHS, night-time treatment with intranasal mometasone furoate was more effective than modafinil.
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Affiliation(s)
- Shujia Zhang
- Department of Otolaryngology-Head and Neck Surgery, The First Peoples' Hospital of Lianyungang, Lianyungang, Jiangsu, China (mainland)
| | - Jing Fu
- Department of Respiratory Medicine, The First Peoples' Hospital of Lianyungang, Lianyungang, Jiangsu, China (mainland)
| | - Zhongnin Duan
- Department of Otolaryngology-Head and Neck Surgery, The First Peoples' Hospital of Lianyungang, Lianyungang, Jiangsu, China (mainland)
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Liu J, Yi Y, Weiwei X. Effects of Increased Frequency, High Dose, and Pulsatile Oxytocin Regimens on Abnormal Labor Delivery. Med Sci Monit 2018; 24:2063-2071. [PMID: 29626416 PMCID: PMC5903316 DOI: 10.12659/msm.906728] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Background The current guideline for oxytocin regimens in the abnormal labor of delivery is continuous infusion. The objective of the present study was to compare effects and safety measures of various available regimens of oxytocin in abnormal labor delivery. Material/Methods In this clinical experimental study, a total of 900 pregnant women admitted for delivery were randomized into 5 group with 162 each. Pregnant women received oxytocin as continuous administration of 16 mU/min (Group I), 1 mU/min (group II), 4 mU/min (group III), 5 mU/min quarter-hourly (group IV), and through a syringe pump (group V). Measurement of the expense of delivery, the ratio of the instrumental delivery, and the other secondary outcome measures was performed to find the best regimen of oxytocin. The 2-tailed paired t test and Mann-Whitney U test following Dunnett’s multiple comparison tests were used at 95% confidence level. Results Pulsatile delivery had least risk of instrumental delivery as compared to continuous infusion (p<0.0001, q=6.663) and normal-frequency low-dose (p<0.0001, q=5.638) of oxytocin. The time required from infusion to delivery was longer for group II (p=0.001, q=2.925), group IV (p<0.0001, q=4.829), and group V (p<0.0001, q=41.456) than for group I. The expense of delivery was: group I < group II < group IV < group III < group V. Conclusions High-dose and pulsatile preparation of oxytocin had reduced risks of operative delivery vs. continuous administration.
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Affiliation(s)
- Jiuying Liu
- Department of Gynecology and Obstetrics, Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Yang Yi
- Department of Gynecology and Obstetrics, Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Xu Weiwei
- Department of Gynecology and Obstetrics, Second People's Hospital of Huanggang, Huanggang, Hubei, China (mainland)
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Jiang S, Du L, Ni C. Comparing the Efficacy, Safety and Cost of the Anticoagulants: Rivaroxaban and Nadroparin in Hip Replacement Surgery. INT J PHARMACOL 2017. [DOI: 10.3923/ijp.2018.1.8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Hong W, Guo RQ, Chen JL, Han EH, Wu T. The implementation of the elastography score in combination with ultrasound prevents unnecessary biopsy of cardiac lesions. Biomed Pharmacother 2017; 97:395-401. [PMID: 29091889 DOI: 10.1016/j.biopha.2017.10.081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 10/12/2017] [Accepted: 10/16/2017] [Indexed: 01/12/2023] Open
Abstract
The pathological technique is time consuming, costly, and patients are not preferred routinely. Histopathological findings have very low affectability and greater occurrence of β-errors, specifically in the diagnosis of cardiomyopathies. Angiography provides a two-dimensional view only. Vascular ultrasound elastography is a comparatively simple diagnostic method with a high resolution of images. The objective of this study was to compare the accuracy of ultrasound, followed by elastography with coronary angiography and endomyocardial biopsy, in the diagnosis of cardiovascular diseases in a Chinese population. A total of 792, patients pathologically abnormal (study group, n=396) and normal (non-study group, n=396), respectively, were included in the experimental diagnostic study. The patients were diagnosed by coronary angiography, endomyocardial biopsy of cardiac lesions, and the Lagrangian speckle model estimator implementation followed by elastography. The study group patients were observed for 38 months after diagnosis. The Mann-Whitney U test followed by Dunnett's multiple comparisons test was used to compare histopathological findings and elastic modulus values between study group and non-study group subjects at a 99% of confidence level. Pathology did reveal a significant cardiac abnormality in the study group patients at baseline. In the angiogram, indistinguishable differences between two distinct parts of the artery were reported. However, the ultrasound images were showed an obvious change in the diameter of the artery for the study group patients (p<0.0001, q=34.301). The histopathological findings were failed to detect a cardiac abnormality in the study group (p=0.0426). However, a significant a cardiac abnormality was observed in elastic modulus values in the study group (p<0.0001 q=4.121). During follow-up, physicians were detected significant cardiovascular diseases in study group patients. Vascular ultrasound elastography is a non-invasive method of diagnostic technique and can increase the confidence of the diagnosis in cases of cardiovascular diseases.
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Affiliation(s)
- Wei Hong
- Department of Ultrasound, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China
| | - Rui-Qiang Guo
- Department of Ultrasound, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China.
| | - Jin-Ling Chen
- Department of Ultrasound, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China
| | - E-Hui Han
- Department of Ultrasound, The Central Hospital of Huangshi, Huangshi 435000, Hubei Province, China
| | - Tian Wu
- Department of Ultrasound, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China
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