Talk:Hemiparesis

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is hemiparesis progressive in the body

I think it's unwise to refer to a paragraph number on another page because paragraphing can be inserted or deleted and paragraph order changed. 69.158.131.193 02:29, 3 November 2005 (UTC)Peter Johnson

Definition correct?
Is hemiparesis actual paralysis? I thought it pertained to one sided weakness of the body with hemiplegia being paralysis.

Definition
Hemiparesis is defined as a unilateral weakness affecting the lower face, arm and leg, as a result of an upper motor neuron lesion (pyramidal tract lesion). Kalpa JayanathaKalpa

Diagnosis
If it is not a full paralysis, how is it diagnosed? Is it visible on MRI images of the spinal cord? Can a computer analysis of limb movement detect it? How can a doctor in an office setting be convinced to believe a claim of hemiparesis that does not prevent the person from walking across the room? Helenetoile (talk) 05:10, 14 August 2008 (UTC)Helene

Clinical Signs
The term 'paralysis' is the umbrella term for the loss of movement of a limb (or face for that matter), or more specifically loss of voluntary movement, without extra-pyramidal movements. In simplistic terms, the aetiologies of 'paralysis' can be subdivided into upper motor neuron (UMN), lower motor neuron, motor endplate, & muscular. Clinically, it is possible to differentiate these:

1. Upper motor neuron signs (spastic paralysis): hyperreflexia, hypertonia, impaired rapid-alternating movements, up-turning plantars (Babinski's Sign), minimal/no muscular atrophy, +/- fasiculations

2. Lower motor neuron signs (flaccid paralysis): hypotonia tone, decreased/absent reflexes, RAM unaffected, down-turning plantars (Babinski negative), muscular atrophy, no fasiculations.

3. Motor endplate (neuromuscular) signs: Myasthenia gravis, lamber-eaton syndrome, & botulinium toxin poisoing are prototypical examples. MG & LES are characterised by gradual/insidious onset, proximal muscle weakness (thigh & hip particular), ptosis, normal reflexes, facilitation on power testing/EMG. In comparison, Botulinium toxin poisoning causes complete muscular paralysis (absent reflexes, decreased tone... etc)

4. Muscular causes of paralysis include myotonic dystrophy etc.

In addition there may also be metabolic/systemic causes which can effect all levels of the CNS-neural-muscle axis. Higher-cortical causes of 'paralysis' can include coma.

'Paresis' can be thought of as 'weakness', the extent of which varies depending on aetiology, effected region, & individual variation...etc Hemiparesis is weakness on one side of the body (extent varies). With cortical lesions (affecting primary motor cortex) There is sparing of the upper half of the face. Brainstem lesions can result in ipsilateral cranil nerve palsy & contralateral motor deficit (face, arms, legs).

There may be a distinctive pattern of weakness: flexors of the arm are stonger than the extensors (resting flexion of elbow, wrist, fingers) & extensors of the leg are stronger than the flexors (resting extension at hip, knee, ankle).

Some CNS & spinal cord causes of 'paralysis' & 'paresis' can be visualised via means of CT, MRI, angiography (CT/MRI). For example: 'paresis' & 'paraplegia' can arise secondary to, ischaemic stroke, intracerebral haemorrhage, subdural haematoma, brain abcess, benign tumour (meningioma), malignant tumours (or secondaries, Aterio-venous malformations)... etc. Whether the patient suffers a 'paresis' or 'paralysis' is multifactorial (site, extent, cause, individual variation...)

Propose merge of Ipsilateral hemiparesis into this article
Any discussion of ipsilateral hemiparesis can easily be included in hemiparesis. There is nothing of note about it being ipsilateral or contralateral, except in anatomical localization. Gccwang (talk) 20:17, 28 August 2014 (UTC)

"Other effects of hemiparesis"
This section describes symptoms (ataxia, aphasia, left-right confusion, anterograde amnesia, and attentional deficit) that can be *associated* with hemiparesis, but makes it sound like they are the result of hemiparesis. These symptoms each have a specific brain region they are associated with; and hemiparesis has a completely separate specific brain region. It's very imprecise to talk about hemiparesis this way. --Gccwang (talk) 16:10, 7 September 2014 (UTC)

Merge Hemiparesis and Hemiplegia
This article basically covers the same ground as hemiparesis. I don't see a need for separate discussions on the causes, treatment, pathophysiology of each condition since they are the same. Hemiplegia is just the most severe form of hemiparesis. In comparison, Quadriparesis redirects to Quadriplegia (technically they both redirect to Tetraplegia). The convention seems to be keeping the "plegia" page (monoplegia, triplegia) so that's how I want to merge them. --Gccwang (talk) 16:30, 7 September 2014 (UTC)
 * Per Hemiplegia one is a more severe version of the other. Should be merged to hemiparesis as that is the broader term. Happy to see a merge. Doc James  (talk · contribs · email) (if I write on your page reply on mine) 08:29, 12 September 2014 (UTC)
 * Support merge of Hemiplegia into Hemiparesis Jytdog (talk) 03:32, 15 September 2014 (UTC)

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Afterthen, What ??
After suffering from disease, anyone would try to become like Normal People viz., Talking, Walking, Sitting, Standing, Whistling, Running & etc., — Preceding unsigned comment added by Sadashivahyd (talk • contribs) 04:19, 20 August 2018 (UTC)

Bell's palsy
Would Bell's palsy be a form of this? JayBirdtyper (talk) 06:52, 29 August 2022 (UTC)