induction

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  • 文章类型: Case Reports
    一名10岁的男性Shar-Pei因左胸肢的嗜睡和本体感觉缺陷而被转诊。对颈脊柱和大脑进行了磁共振成像(MRI)检查。脑部MRI检查正常。诊断为左侧C3-C4椎间盘挤压伴脊髓压迫。医疗当选。核磁共振检查后一周内,这只狗在两个腋窝都有深的部分厚度皮肤烧伤伤口。由于在任何扫描过程中,比吸收率均未超过安全限值,并且未发现可能导致烧伤的其他程序或情况。热烧伤被诊断为射频(RF)烧伤。伤口在下个月因次要意图而愈合。RF烧伤是接受MRI的人类中报告最多的并发症,但在兽医患者中尚未报告。临床医生和技术人员应考虑兽医患者射频烧伤的潜在风险,并在进行后续检查时对患者的定位采取预防措施,并注意任何烧伤迹象。
    A 10-year-old male Shar-Pei was referred for lethargy and proprioceptive deficits of the left thoracic limb. An magnetic resonance imaging (MRI) examination of the cervical spinal column and the brain was performed. The MRI examination of the brain was normal. A left-sided C3-C4 intervertebral disc extrusion with spinal cord compression was diagnosed. Medical treatment was elected. Within a week after the MRI examination, the dog presented with deep partial-thickness skin burn wounds in both axillae. Since the specific absorption rate had not exceeded the safety limits during any of the scans and no other procedures or circumstances were identified that could possibly have resulted in burn injuries, the thermal burn injuries were diagnosed as radiofrequency (RF) burns. The wounds healed by secondary intent over the next month. RF burns are the most reported complication in humans undergoing MRI but have not been reported in veterinary patients. Clinicians and technicians should consider the potential risk for RF burns in veterinary patients and take precautions regarding positioning of the patient and take notice of any signs of burn injury when performing follow-up examinations.
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  • 文章类型: Systematic Review
    目的:综合分析鼻泪腺鳞状细胞癌(NLSCC)的报道,关注风险因素,治疗方式,和结果。此外,研究人乳头瘤病毒(HPV)状态和组织病理学亚型对预后的影响。
    方法:发布,Embase.
    方法:我们进行了系统的文献综述,以确定报告NLSCC病例的相关研究。审查方法遵循系统审查和荟萃分析(PRISMA)指南的首选报告项目。最终更新于2023年5月31日进行。
    结果:72项研究共包括313名参与者(平均年龄:55岁;60%为男性)。症状持续时间较长(44.1±59.2个月)与复发相关(p=0.004),和男性表现出更高的死亡率(19.6%vs.2.4%的女性,p=0.01)。所有患者的总生存率(OS)为87.1%。BasaloidNLSCC的死亡结局较差(p≤0.001)。HPV阳性病例显示具有可比性的OS,复发,和普通人群的转移率(分别为p=0.917、0.851、0.07)。比较治疗方法(手术,辅助放射手术,放化疗[CRT],然后手术),未观察到5年和10年OS率或复发率的显着差异(分别为p=0.4,0.24),但5年转移事件是显著的(p=0.024).眼部切除术率为31.1%,20%,和各自处理的0%(p=0.089)。诱导化疗使4例患者免于潜在的放血,预后良好。
    结论:早期发现和诊断在NLSCC的治疗中至关重要。不管治疗方法如何,HPV相关的NLSCC表现出与普通人群相似的结果。Basaloid组织学代表预后最差的亚型。在最近的文献和我们共同的经验中,有限的辅助CRT病例显示出改善的结果和诱导化疗的重要性。喉镜,2024.
    OBJECTIVE: To comprehensively analyze reported cases of nasolacrimal squamous cell carcinoma (NLSCC), focusing on risk factors, treatment modalities, and outcomes. Additionally, investigate the impact of human Papillomavirus (HPV) status and histopathological subtypes\' impact on prognosis.
    METHODS: Pubmed, Embase.
    METHODS: We conducted a systematic literature review to identify relevant studies reporting cases of NLSCC. The review methods adhered to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. The final update was performed on May 31, 2023.
    RESULTS: The 72 studies included a total of 313 participants (mean age: 55; 60% male). Longer symptom duration (44.1 ± 59.2 months) correlated with recurrence (p = 0.004), and males exhibited higher mortality rates (19.6% vs. 2.4% in females, p = 0.01). The overall survival (OS) rate among all patients was 87.1%. Basaloid NLSCC had a worse death outcome (p ≤ 0.001). HPV-positive cases showed comparable OS, recurrence, and metastasis rates to the general population (p = 0.917, 0.851, 0.07, respectively). Comparing treatment approaches (surgery, surgery with adjuvant radiation, chemoradiotherapy [CRT] followed by surgery), no significant differences in 5 and 10-year OS rates or recurrence were observed (p = 0.4, 0.24, respectively), but 5-year metastasis events were significant (p = 0.024). Eye exenteration rates were 31.1%, 20%, and 0% for the respective treatments (p = 0.089). Induction chemotherapy saved four cases from potential exenteration with favorable prognosis.
    CONCLUSIONS: Early detection and diagnosis are of utmost importance in the management of NLSCC. Regardless of the treatment approach, HPV-related NLSCC demonstrated similar outcomes to the general population. Basaloid histology represents the worst subtype in terms of prognosis. Limited adjuvant CRT cases showed improved outcomes and induction chemotherapy\'s importance was emphasized in recent literature and our shared experience. Laryngoscope, 134:3892-3902, 2024.
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  • 文章类型: Case Reports
    苄异喹啉神经肌肉阻断剂可以通过过敏/过敏反应或肥大细胞组胺释放的孤立刺激来沉淀支气管痉挛。该报告介绍了一名75岁的女性,她在全身麻醉下参加了日间手术单元的硬质膀胱镜检查。她有轻度历史哮喘的高反应性气道史,对气溶胶敏感。在麻醉诱导时给予阿曲库铵后,通风变得具有挑战性,没有胸部上升和平坦的CO2痕迹。重复视频喉镜检查确认正确的气管内导管位置。患者保持心血管稳定,没有皮肤粘膜过敏反应的迹象。高流量氧气的管理,七氟醚,沙丁胺醇和硫酸镁导致呼吸参数逐渐改善和正常化。手术被推迟了。本报告强调阿曲库铵是麻醉诱导时支气管痉挛的重要触发因素,并说明在极少数情况下,平坦的二氧化碳描记器并不总是指示定位错误的气道装置。鉴于该患者的呼吸病史,麻醉计划的几个方面均欠佳,即,麻醉方式的选择和神经肌肉阻断剂的选择。这些因素将在麻醉计划的背景下进行讨论,以治疗具有高支气管痉挛风险特征的患者。
    Benzylisoquinolinium neuromuscular blocking agents can precipitate bronchospasm either through allergy/anaphylaxis or isolated stimulation of mast cell histamine release. This report presents a 75-year-old female who attended the day surgery unit for a rigid cystoscopy under general anaesthesia. She had a hyper-reactive airway history of mild historic asthma and sensitivity to aerosols. After administration of atracurium at induction of anaesthesia, ventilation became challenging with no chest rise and a flat CO2 trace. Repeat video laryngoscopy confirmed correct endotracheal tube position. The patient remained cardiovascularly stable with no mucocutaneous signs of anaphylaxis. Administration of high flow oxygen, sevoflurane, salbutamol and magnesium sulfate led to gradual improvement and normalisation of respiratory parameters. Surgery was postponed. This report highlights atracurium as an important trigger of bronchospasm at induction of anaesthesia, and illustrates that in rare cases a flat capnograph does not always indicate a mispositioned airway device. Several aspects of the anaesthetic plan for this patient were suboptimal given her respiratory history, namely, the choice of mode of anaesthesia and choice of neuromuscular blocking agent. These factors are discussed in the context of anaesthetic planning for patients presenting with features suggesting high bronchospastic risk.
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  • 文章类型: Case Reports
    阿扎胞苷和维奈托克(AZA-VEN)的组合已被批准用于治疗成人初治急性髓细胞性白血病(AML)患者,没有资格接受强化化疗。该方案也可能构成治疗混合表型急性白血病(MPAL)患者的替代方案,没有既定的治疗指南。可以预见,类似于AML或慢性淋巴细胞白血病,肿瘤溶解综合征(TLS)可能会使MPAL的治疗复杂化。然而,到目前为止,没有报道VEN后MPAL中的TLS病例。这里,我们介绍了一例MPAL患者,谁收到了AZA-VEN。该患者患有大量疾病,伴有全身淋巴结病和白细胞计数增加。尽管采取了预防措施,患者开发了临床TLS,已成功治疗。根据目前的案例和其他已公布的案例,AZA-VEN术后TLS发生率为17%.
    A combination of azacitidine and venetoclax (AZA-VEN) has been approved for the treatment of adult treatment-naïve acute myeloid leukemia (AML) patients, ineligible for intensive chemotherapy. The protocol may also constitute an alternative for the treatment of patients with mixed phenotype acute leukemia (MPAL), for which no established treatment guidelines exist. It may be anticipated, that alike in AML or chronic lymphocytic leukemia, the treatment of MPAL may be complicated by the tumor lysis syndrome (TLS). No case of TLS in MPAL after VEN has been however reported so far. Here, we present a case of a patient with MPAL, who received AZA-VEN. The patient had a substantial bulk of disease with generalized lymphadenopathy and increased white blood cell count. Despite preventive measures, the patient developed the clinical TLS, which was successfully treated. Based on the current case and other published cases, the incidence of TLS after AZA-VEN was established at 17%.
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  • 文章类型: Journal Article
    目的确定早产胎膜早破分娩时的理想胎龄和分娩方式。
    为了确定研究,研究是使用Pub-Med进行的,Embase和Cochrane数据库。
    pPROM后潜伏期延长并不会使新生儿预后恶化(NP3)。因此,对于无并发症的胎膜早破(pPROM)(C级)患者,建议不要在妊娠34周前分娩.妊娠34周后,pPROM的预期治疗与新生儿败血症(NP1)无关,但与子宫内感染(NP2)有关。早期分娩与呼吸窘迫综合征(NP2)的高风险相关。剖宫产(NP2)的风险更高,NICU住院时间更长(NP2)。在妊娠37周之前,对于不复杂的pPROM(A级),建议采用预期管理,即使阴道B组链球菌呈阳性,只要在胎膜破裂时使用抗生素(专业共识)。选择性剖宫产保留用于通常的产科适应症。催产素和前列腺素是引产的合理选择(专业共识)。在pPROM的情况下,数据太稀少,无法建立有关宫颈内球囊的建议(专业共识)。
    对于妊娠37周前无并发症的pPROM,建议进行预期管理。
    To identify the ideal gestational age at delivery for preterm premature rupture of membranes and modalities of birth.
    To identify studies, research was conducted using Pub-Med, Embase and Cochrane databases.
    Prolonged latency duration after pPROM does not worsen neonatal prognosis (NP3). Therefore, it is recommended not to deliver before 34 weeks of gestation for patient with uncomplicated preterm rupture of membranes (pPROM) (Grade C). After 34 weeks of gestation, expectant management for pPROM is not associated with neonatal sepsis (NP1) but is associated to intra-uterine infection (NP2). Early delivery is associated with higher risk of respiratory distress syndrome (NP2), higher risk of cesarean section (NP2) and longer duration of NICU hospitalization (NP2). Before 37 weeks of gestation, expectant management is recommended for uncomplicated pPROM (Grade A), even if vaginal group B streptococcus is positive, as long as antibiotics are used at the time of membranes rupture (Professional consensus). Elective cesarean section is reserved for usual obstetrical indications. Oxytocin and prostaglandins are reasonable options for inducing labor (Professional consensus). Data are too scarce to establish recommendation regarding intra-cervical balloons in case of pPROM (Professional consensus).
    Expectant management is recommended for uncomplicated pPROM before 37 weeks of gestation.
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  • 文章类型: Case Reports
    UNASSIGNED: Sublingual buprenorphine is indicated for opioid dependence. It comes in 2 formulations: a mono buprenorphine product (BUP) and a combination product containing naloxone (BUP-NAL), which functions as an abuse deterrent. Sublingual naloxone does not reach clinically significant levels except in cases of hepatic impairment, where its metabolism can be impaired. Substantial naloxone accumulation could block the therapeutic effects of buprenorphine. The risk of hepatic impairment is elevated in the opioid dependence population, and our case highlights the need for careful evaluation of hepatic function and consideration of BUP.
    UNASSIGNED: We report a patient with end-stage liver disease who began BUP-NAL induction with modest improvement on treatment day 1 followed by sustained withdrawal after receiving an observed dose on day 2. He returned to the clinic 2 days after his second successive day of BUP-NAL, vomiting and complaining of persistent withdrawal. To avoid potential accumulation of naloxone, the patient was eventually switched to and stabilized on BUP with good response.
    UNASSIGNED: The clinical course this patient experienced during induction makes a case that naloxone can accumulate and interfere with the effectiveness of buprenorphine in the presence of liver dysfunction. Our case highlights the need for consideration of BUP in circumstances where patient safety and effective treatment outweigh the risks of prescribing a product with abuse deterrent properties.
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  • 文章类型: Case Reports
    Ameloblastic fibrodentinoma is a benign odontogenic tumor belonging to the category of \"odontogenic epithelium with odontogenic ectomesenchyme\" along with recognition of induction in the form of dentin in atypical or dysplastic forms. The biological behaviour of ameloblastic fibrodentinoma is not very different from ameloblastic fibroma; hence, it is treated similarly by conservative procedures. It is important to understand the histopathogenesis of these rare tumors. Though rare, they are an independent entity awaiting recognition. Here, we report a case of amelobalstic fibrodentinoma in a 14-year-old female patient.
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  • 文章类型: Journal Article
    BACKGROUND: Dormancy in higher plants is an adaptive response enabling plant survival during the harshest seasons and has been more explored in woody species than in herbaceous species. Nevertheless, winter and summer shoot meristem dormancy are adaptive strategies that could play a major role in enhancing seasonal stress tolerance and resilience of widespread herbaceous plant communities.
    METHODS: This review outlines the symmetrical aspects of winter and summer dormancy in order to better understand plant adaptation to severe stress, and highlight research priorities in a changing climate. Seasonal dormancy is a good model to explore the growth-stress survival trade-off and unravel the relationships between growth potential and stress hardiness. Although photoperiod and temperature are known to play a crucial, though reversed, role in the induction and release of both types of dormancy, the thresholds and combined effects of these environmental factors remain to be identified. The biochemical compounds involved in induction or release in winter dormancy (abscisic acid, ethylene, sugars, cytokinins and gibberellins) could be a priority research focus for summer dormancy. To address these research priorities, herbaceous species, being more tractable than woody species, are excellent model plants for which both summer and winter dormancy have been clearly identified.
    CONCLUSIONS: Summer and winter dormancy, although responding to inverse conditions, share many characteristics. This analogous nature can facilitate research as well as lead to insight into plant adaptations to extreme conditions and the evolution of phenological patterns of species and communities under climate change. The development of phenotypes showing reduced winter and/or enhanced summer dormancy may be expected and could improve adaptation to less predictable environmental stresses correlated with future climates. To this end, it is suggested to explore the inter- and intraspecific genotypic variability of dormancy and its plasticity according to environmental conditions to contribute to predicting and mitigating global warming.
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  • 文章类型: Journal Article
    Laryngeal cysts are largely asymptomatic and typically described in the context of incidental discovery on routine laryngoscopy. These cysts, in adults are even rarer and can have catastrophic consequences in an anaesthetized patient if airway management is inappropriate. We describe a case of difficult endotracheal intubation and the treatment of an adult patient with an asymptomatic, giant vallecular cyst that was discovered during rapid-sequence induction of general anesthesia in urgent surgery. In conclusion, vallecular cysts can cause extreme problems in securing the airway. It is important to avoid complications associated with repeated attempts at intubation, airway loss, or cyst rupture causing difficulty visualizing vocal cords and aspiration. The use of King Vision® videolaryngoscope is a good alternative in these cases. Close attention to logistics and the immediate availability of an otolaryngologist is vital.
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  • 文章类型: Journal Article
    On time start of the first case of the day is an important operating room (OR) efficiency metric, in which delays can have effects throughout the day. Although previous studies have identified various causes of first case start delays, none have attempted to evaluate the effect anesthesia staffing ratios have on first case start times. We performed a single-center retrospective analysis at an academic teaching hospital. Data was collected and analyzed over a period of 4 years and on more than 8,700 cases. We examined whether staffing ratios of attending only (solo staffing ratio), attending working with 1 resident/certified registered nurse anesthetist (CRNA) (1 to 1), or attending covering 2 residents/CRNAs (1 to 2) had a significant effect on first patient in room time (FPIR) and first case on time start (FCOTS). In addition, we examined whether staffing ratios had an effect on start times in various surgical subspecialties. We performed a univariate logistic regression analysis to determine if age, anesthesia base units, American Society of Anesthesiologists Physical Status (ASA PS) classification score, and staffing ratio was associated with FPIR and FCOTS being on time. Then, we performed a multivariate logistic regression analysis to determine if staffing ratio was associated with these outcomes, utilizing age, anesthesia base units, and ASA PS class as covariates. A decreased odds for FPIR being on time were seen in general and orthopedic surgeries when staffed 1 to 1, and cardiac surgery when staffed 1 to 2, when compared to solo staffing. FCOTS showed statistically significant differences when looking at all services with solo staffing having the highest odds for FCOTS being on time. This effect was seen also when analyzing only oncologic and orthopedic surgeries. Hospitals should consider using different staffing ratios in different surgical specialties to minimize delays and maximize OR efficiency.
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