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| {{SI}}
| | #REDIRECT [[Hypertrophic cardiomyopathy septal myectomy]] |
| {{CMG}}
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| ==Overview==
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| '''Septal myectomy''' is a [[cardiac surgery|surgical]] treatment for [[hypertrophic cardiomyopathy]] (HCM). Septal myectomies have been successfully performed for more than 25 years.
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| ==Outcomes==
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| Septal myectomy is associated with a low perioperative mortality and a high late survival rate. A study at the [[Mayo Clinic]] found surgical myectomy performed to relieve outflow obstruction and severe symptoms in HCM was associated with long-term survival equivalent to that of the general population, and superior to obstructive HCM without operation. The results are shown below:<ref name="Ommen 2005">{{cite journal | author = Ommen S, Maron B, Olivotto I, Maron M, Cecchi F, Betocchi S, Gersh B, Ackerman M, McCully R, Dearani J, Schaff H, Danielson G, Tajik A, Nishimura R | title = Long-term effects of surgical septal myectomy on survival in patients with obstructive hypertrophic cardiomyopathy | journal = J Am Coll Cardiol | volume = 46 | issue = 3 | pages = 470-6 | year = 2005 | id = PMID 16053960}}</ref>
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| <center>
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| {| border="0"
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| {| class="wikitable"
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| |+ Survival (all-cause mortality) *
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| |-
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| ! Years
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| ! With surgery
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| ! Without surgery
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| |-
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| | 1
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| | 98%
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| | 90%
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| |-
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| | 5
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| | 96%
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| | 79%
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| |-
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| | 10
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| | 83%
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| | 61%
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| |}
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| {| class="wikitable"
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| |+ Survival (HCM-related death)
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| |-
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| ! Years
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| ! With surgery
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| ! Without surgery
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| |-
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| | 1
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| | 99%
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| | 94%
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| |-
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| | 5
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| | 98%
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| | 89%
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| |-
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| | 10
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| | 95%
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| | 73%
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| |}
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| {| class="wikitable"
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| |+ Survival (sudden cardiac death)
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| |-
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| ! Years
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| ! With surgery
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| ! Without surgery
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| |-
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| | 1
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| | 100%
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| | 97%
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| |-
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| | 5
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| | 99%
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| | 93%
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| |-
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| | 10
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| | 99%
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| | 89%
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| |}
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| |}
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| <nowiki>*</nowiki> Includes 0.8% operative mortality.
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| </center>
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| ==Comparison with alcohol ablation==
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| Either [[alcohol septal ablation]] or myectomy offers substantial clinical improvement for patients with [[hypertrophic obstructive cardiomyopathy]].
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| Hemodynamic resolution of the obstruction and its sequelae is more complete with myectomy.<ref name="Ralph-Edwards 2005">{{cite journal | author = Ralph-Edwards A, Woo A, McCrindle B, Shapero J, Schwartz L, Rakowski H, Wigle E, Williams W | title = Hypertrophic obstructive cardiomyopathy: comparison of outcomes after myectomy or alcohol ablation adjusted by propensity score | journal = J Thorac Cardiovasc Surg | volume = 129 | issue = 2 | pages = 351-8 | year = 2005 | id = PMID 15678046}}</ref>
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| ==Related Chapters==
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| * [[Hypertrophic cardiomyopathy interventional cardiology|Hypertrophic cardiomyopathy]]
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| * [[Alcohol septal ablation]]
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| ==References==
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| {{reflist|2}}
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| {{SIB}}
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| {{cardiac surgery}}
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| [[Category:Cardiac Surgery]]
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| [[Category:Cardiology]]
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