Fatal neurogenic pulmonary edema in a patient with progressive multiple sclerosis

S Bramow1, J C Faber-Rod, C Jacobsen

  • 1Danish Multiple Sclerosis Research Center, Department of Neurology, Copenhagen University Hospital, Rigshospitalet, Blegdamsvej 9, Copenhagen, Denmark. stephan.bramow@rh.regionh.dk

Multiple Sclerosis (Houndmills, Basingstoke, England)
|June 21, 2008
PubMed

Insights

Sudden death during sleep can occur in progressive multiple sclerosis (MS) due to neurogenic pulmonary edema. Inflammation in the brainstem

Area of Science:

  • Neurology
  • Pathology

Background:

  • Multiple sclerosis (MS) is a chronic inflammatory disease affecting the central nervous system.
  • Progressive forms of MS can lead to significant neurological deficits and increased mortality.

Observation:

  • A case of fatal neurogenic pulmonary edema is presented in a patient with progressive multiple sclerosis (MS).
  • The patient experienced an unexpected death during sleep.
  • Autopsy revealed pulmonary edema and neuropathological findings.

Findings:

  • Neuropathological examination identified lymphocyte and microglia infiltrations in the respiratory centers of the medulla.
  • Classical demyelinated lesions were observed in the spinal cord white matter and brain gray matter.
  • Disseminated perivascular lymphocytic infiltrates were also noted.

Implications:

  • Medullary inflammation in progressive MS is a potential cause of sudden, fatal respiratory failure.
  • This case highlights a rare but critical complication of advanced MS.
  • Understanding these mechanisms is crucial for managing patients with progressive MS.

Related Concept Videos

Pulmonary Edema II: Pathophysiology01:18

Pulmonary Edema II: Pathophysiology

Pulmonary edema is the accumulation of fluid in the interstitial and alveolar spaces of the lungs, impairing gas exchange and oxygen delivery. It may be cardiogenic or noncardiogenic, but both reduce oxygenation and lung compliance.Cardiogenic Pulmonary EdemaCardiogenic edema results from increased hydrostatic pressure in pulmonary capillaries, usually due to left ventricular dysfunction from myocardial infarction, heart failure, or valvular disease. Ineffective cardiac pumping causes blood to...
Cerebral Edema ll: Pathophysiology01:22

Cerebral Edema ll: Pathophysiology

Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...
Multiple Sclerosis l: Introduction01:19

Multiple Sclerosis l: Introduction

Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...
Cerebral Edema l: Introduction01:19

Cerebral Edema l: Introduction

Cerebral edema is a pathological increase in brain water content that disrupts intracranial pressure regulation and impairs neurological function. Because the cranial vault is rigid, even modest increases in tissue volume can compromise cerebral perfusion, distort neural structures, and initiate secondary injury. Cerebral edema develops through four principal mechanisms: vasogenic, cytotoxic, interstitial, and ionic.Vasogenic EdemaVasogenic edema arises from disruption of the blood–brain...
Acute Respiratory Failure-III01:30

Acute Respiratory Failure-III

Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without causing...
Cytotoxic Edema: Pathophysiology01:21

Cytotoxic Edema: Pathophysiology

Cytotoxic edema is a form of cerebral edema characterized by intracellular swelling of neurons, astrocytes, and other glial cells. It develops when the mechanisms responsible for maintaining ionic gradients across the cell membrane become impaired. Under normal physiological conditions, the sodium–potassium ATPase actively transports sodium ions out of the cell and potassium ions into the cell, preserving osmotic balance and enabling electrical signaling. This pump requires a continuous supply...