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Year : 2011  |  Volume : 14  |  Issue : 5  |  Page : 15-16
 

Constipation in Parkinson's disease



Date of Web Publication21-Jul-2011

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How to cite this article:
. Constipation in Parkinson's disease. Ann Indian Acad Neurol 2011;14, Suppl S1:15-6

How to cite this URL:
. Constipation in Parkinson's disease. Ann Indian Acad Neurol [serial online] 2011 [cited 2019 Sep 18];14, Suppl S1:15-6. Available from: http://www.annalsofian.org/text.asp?2011/14/5/15/83089



   Introduction Top


Constipation is a common problem in Parkinson's disease (PD), occurring in about 50-60% of patients and may occur even before the motor symptoms appear. [1] Various mechanisms causing it are degeneration of neurons in myenteric plexus of colon with presence of Lewy bodies, weakness and incoordinated contraction of muscles of pelvic floor and abdominal muscles which is unable to straighten, anorectal angle preventing passage of stool, dystonic contractions of muscles, megacolon and volvulus. [2],[3]

Principles of management are the following. In early stages, simple measures may be tried, but later on, combinations may be needed.

  • Dietary modifications include increased intake of fluids (6-8 glasses of water/day), high fiber diet, and plenty of raw vegetables/salads, and bran can be added to increase the bulk.
  • Exercise should be increased.
  • Medicines that can be helpful include milk of magnesia, Cisapride, Mosapride (5HT4 agonist/partial 5HT3 antagonist), enemas, suppositories, stool softeners such as lactulose.



   Pain/Dysesthesia in PD Top


Pain is a common problem in PD and occurs in about 50% of patients. It occurs both in early phase and in advanced stage of disease - more often in off period, but also in on period. [4],[5]

The exact mechanism of pain and dysesthesia is not known, but several mechanisms are proposed. These are: [6],[7] abnormal firing in afferent nerves in dystonic muscles, impaired ability of basal ganglia to modulate sensory information, alteration in serotonergic pathways, decreased activity of dopaminergic fibers on dorsal horn and intermediolateral column of spinal cord and reduced pain threshold due to dopamine deficiency by action on frontal, insular and cingulated gyrus (limbic system) and reduced nociceptive flexion reflex threshold by the same mechanism.

The presentation of pain/dysesthesia includes: painful "frozen shoulder" usually on the side of first symptom, especially before treatment is started (usually early in the disease), off-period limb pain, off-period painful foot dystonia, pain and dysesthesia on chest or abdomen. Some patients may have mechanical nerve root distribution pain/paresthesia coldness/numbness, arthritis and pain due to bursitis.

The management of these symptoms [8] is by introduction of dopaminergic therapy with dopamine agonist or levodopa, passive and active exercise and DBS (in advanced stages).

 
   References Top

1.Abbott RD, Ross GW, White LR, Sanderson WT, Burchfiel CM, Kashon M, et al. Environmental, life-style, and physical precursors of clinical Parkinson's disease: Recent findings from the Honolulu-Asia Aging Study. J Neurol 2003;250:III30-9.   Back to cited text no. 1
    
2.Edwards LL, Quigley EM, Pfeiffer RF. Gastrointestinal dysfunction in Parkinson's disease: Frequency and pathophysiology. Neurology 1992;42:726-32.  Back to cited text no. 2
    
3.Singaram C, Ashraf W, Gaumnitz EA, Torbey C, Sengupta A, Pfeiffer R, et al. Dopaminergic defect of enteric nervous system in Parkinson's disease patients with chronic constipation. Lancet 1995;346:861-4.  Back to cited text no. 3
    
4.Waseem S, Gwinn-Hardy K. Pain in Parkinson's disease. Common yet seldom recognized symptom is treatable. Postgrad Med 2001;110:33-4,39-40,46.  Back to cited text no. 4
    
5.Ford B, Louis ED, Greene P, Fahn S. Oral and genital pain syndromes in Parkinson's disease. Mov Disord 1996;11:421-6  Back to cited text no. 5
    
6.Sandyk R. Pineal melatonin and sensory symptoms in Parkinson disease. Ital J Neurol Sci 1989;10:399-403.  Back to cited text no. 6
    
7.Chudler EH, Dong WK. The role of the basal ganglia in nociception and pain. Pain 1995;60:3-38.  Back to cited text no. 7
    
8.Drake DF, Harkins S, Qutubuddin A. Pain in Parkinson's disease: Pathology to treatment, medication to deep brain stimulation. NeuroRehabilitation 2005;20:335-41.  Back to cited text no. 8
    




 

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