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The NIH Stroke Scale - Oren Zarif - Nih Stroke Scale


The NIH Stroke Scale is a tool used by healthcare providers to quantify the degree of stroke impairment. It consists of 11 items, each scoring a specific ability between 0 and 4.

The NIHSS is a standardized tool used by healthcare professionals to measure the degree of impairment caused by stroke. A blood clot or rupture disrupts the flow of blood to the brain, preventing vital nutrients and oxygen from reaching the affected brain tissue. This result in damaged brain tissue and a subsequent physical handicap. The NIHSS can help healthcare providers measure the severity of stroke and help them decide the appropriate course of treatment.

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The NIHSS was originally developed for research purposes, with the goal of predicting long-term outcomes in ischemic stroke. It is now used to assess stroke severity in controlled clinical trials. Using the NIHSS can help predict the appropriate level of care after the acute hospitalization phase. A score of six or above portends a poor long-term outcome. However, an aNIHSS of five or less indicates a high probability of a good outcome and a high quality of life.

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The NIH stroke scale is not a perfect tool. There are several caveats and exceptions. Patients in a coma need to be tested for all items on the scale. Those who are unconscious may need to undergo an uncomfortable stimulus. The NIH stroke scale is best used by healthcare professionals who are skilled at assessing stroke symptoms and identifying potential complications. There are pre-defined values for some of the items, so interpreting the results correctly can help make decisions about stroke treatment and recovery.

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The NIHSS has three to five grades. A patient may score 0 to four. A score of zero indicates normal functioning, while a score of four or higher indicates a degree of impairment. The NIHSS takes less than 10 minutes to complete. It requires no specialized equipment and occupies a relatively small area. However, it should be used with caution outside of research trials. The NIHSS may not be accurate or useful for all types of stroke.

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The NIHSS score is an important predictor of patient outcomes. In cases of isolated cortex stroke, a score of 16 or higher indicates a high likelihood of death. A score of six or lower indicates good recovery. Every one-point increase on the scale decreases the probability of a positive outcome by 17 percent. The NIHSS score is a valuable tool for doctors, nurses, and patients. It also helps decide the course of action after a stroke.

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In one study, the NIHSS was used as the de facto standard for assessing clinical deficits in clinical trials. Several contemporary scales with similar lengths of 25 to 28 items were also used. The NIHSS has excellent agreement between retrospective and prospective assessments, but the best gaze scores had the highest kappa values. A new study by Oh et al. (2012) used a Korean version of the NIHSS.

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NIHSS scores are applied to patients soon after symptoms start. They are reassessed regularly to monitor progress and measure improvement. It helps healthcare providers tailor their treatment to individual patients. The NIHSS score also provides useful information about a patient's level of recovery. It is a valuable tool to assess stroke recovery and is widely used in the medical community. But it's not the only tool. It's important to know the NIHSS to help make informed decisions.

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The NIHSS is an objective measure of neurological impairment after a stroke. Initially developed as a research tool, it has become widely used in clinical settings to provide a common language for healthcare providers. It consists of 15 items that assess consciousness, extraocular movement, motor strength, and sensory impairment. If the score is high, it indicates a more serious stroke. The NIHSS scores are highly correlated with patient outcomes.

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In the ESCAPE trial, the lowest threshold was 2 points. Another study found that the NIHSS score threshold was not consistent across RCTs. The MRCLEAN trial used a 2-point threshold to assess the presence of acute brain injury, while the EXTEND-IA trial did not set a specific NIHSS threshold. However, the EXTEND-IA trial set a higher threshold, requiring patients to be "disable" in order to receive adequate care.

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The reliability of the NIHSS was examined in 6 studies. The total 24-hour NIHSS score was compared to the aNIHSS. Interrater reliability was assessed using paired analysis. The aNIHSS score was compared to the total NIHSS score using the weighted kappa statistic. A p value of 0.05 or higher was considered statistically significant.

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