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Related Concept Videos

Mitral Stenosis IV: Nursing Management01:27

Mitral Stenosis IV: Nursing Management

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A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...
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Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
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Mitral Stenosis I: Introduction01:22

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Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
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¹H NMR: Complex Splitting01:13

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A proton M that is coupled to a proton X results in doublet signals for M. However, NMR-active nuclei can be simultaneously coupled to more than one nonequivalent nucleus. When M is coupled to a second proton A, such as in styrene oxide, each peak in the doublet is split into another doublet.
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The anterior neck muscles are the group of muscles covering the front part of the neck. These muscles are classified into three subgroups. The first one is the superficial muscles, the most visible muscles in the front of the neck. It includes the platysma and sternocleidomastoid. The second group is the suprahyoid muscles, located above the hyoid bone. This group comprises the digastric, mylohyoid, geniohyoid, and stylohyoid. Lastly, the infrahyoid muscles are found below the hyoid bone and...
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When protons A and X are coupled, their nuclear spin energy levels are slightly modified. This is because the energy required to excite proton A to a spin state parallel to proton X is slightly different from the energy required for it to become anti-parallel to spin X. Consequently, there are two possible excitation frequencies for A (A1 and A2), depending on the spin state of X, and vice versa. The mutual nature of coupling implies that the difference between frequencies A1 and A2, indicated...
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Related Experiment Video

Updated: Feb 9, 2026

Catheter-based Endovascular Angioplasty for Fibrosing Mediastinitis-associated Pulmonary Vein Stenosis
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Anterior cricoid split for subglottic stenosis.

C E Bagwell1, M B Marchildon, L L Pratt

  • 1Department of Surgery, University of Florida College of Medicine, Gainesville.

Journal of Pediatric Surgery
|August 1, 1987
PubMed
Summary
This summary is machine-generated.

Anterior cricoid split effectively treats subglottic stenosis in infants, avoiding tracheostomy. This procedure offers a promising solution for premature infants requiring ventilatory support and experiencing airway obstruction.

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Area of Science:

  • Pediatric Surgery
  • Otolaryngology
  • Neonatology

Background:

  • Subglottic stenosis is a frequent complication in premature infants requiring ventilatory support.
  • Existing treatments like tracheostomy and stenting have shown unsatisfactory outcomes and high mortality rates.
  • The narrow tracheal lumen, often less than 2.5 mm, presents significant airway obstruction challenges.

Purpose of the Study:

  • To evaluate the efficacy of anterior cricoid split in treating severe subglottic stenosis in infants.
  • To assess the need for postoperative tracheostomy and long-term outcomes.
  • To determine the safety and complication profile of the anterior cricoid split procedure.

Main Methods:

  • Seven infants with tight subglottic stenosis underwent anterior cricoid split.
  • Six of the seven patients were premature, with five requiring mechanical ventilation.
  • The procedure was performed on infants aged 2 to 11 months.

Main Results:

  • All seven infants were successfully extubated within 10-14 days post-procedure.
  • None of the patients required a postoperative tracheostomy.
  • Follow-up at a mean of 8.3 months showed no subglottic-related symptoms, with one case of temporary tracheomalacia.

Conclusions:

  • Anterior cricoid split is a safe and effective treatment for infant subglottic stenosis.
  • The procedure significantly improves airway patency and avoids the need for tracheostomy.
  • This surgical approach offers a favorable alternative to traditional treatments for this challenging condition.