來自 高雄市
磅數 1074.1磅
發文 969
註冊 2003/5/6 下
量級 重量級
★★★★
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剛看到九月號的Clinical Journal of Sports Medicine報告了首例因努責效應
(Valsalva maneuver)導致的視網膜中央靜脈阻塞(CRVO),而患者正是老資格的
健美運動員,所以大家作重訓時真的要注意呼吸,尤其是重量做很重的大大們!
Gatzonis, Stamatis MD; Charakidas, Antonios MD; Polychronopoulou, Zoe MD;
Brouzas, Dimitrios MD, PhD, Unilateral Visual Loss Following Bodybuilding
Training, 2004, Volume 14(5).
CASE REPORT
A 37-year-old man presented with mild left-sided blurring of vision and
metamorphopsia with duration of a few hours. His medical and ophthalmic
histories were unremarkable. He was an experienced amateur bodybuilder
and reported having set a personal record during the previous evening’s
training, lifting about 105 kg (231.5 lb) of weight from the supine
position (bench press)...
DISCUSSION
The Valsalva maneuver, which is commonly applied by power athletes during
resistance exercise and comprises the forcible exhalation against the closed
glottis, has been associated with a host of systemic and ocular complications,
including stroke, cerebral and subarachnoid hemorrhage, hiatal hernia,
pneumothorax, and conjunctival and foveal hemorrhage. These events are thought
to be secondary to the extreme pressure elevations that occur in the intra-
abdominal, intrathoracic, intracranial, intraocular, and vascular compartments.
Valsalva maculopathy, a well-described, self-limited entity that usually
resolves without compromising visual acuity, involves the spontaneous rupture
of perifoveal capillaries and the occurrence of small intraretinal hemorrhages,
presumably due to the rapid rise of the retinal venous pressure following a
corresponding intracranial pressure increase...
To the best of our knowledge, this is the first reported association of CRVO
with the Valsalva maneuver, and both power athletes and trainers should be
aware of this disturbing but probably benign condition
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