Editorials

	Management of polycythaemia in adults with cyanotic congenital heart disease S A THORNE Heart 1998; 79: 315-316. doi:10.1136/hrt.79.4.315 [Extract] [Full text] [PDF] [Request Permissions]
	Hypertrophic cardiomyopathy: is there a role for amiodarone? K PRASAD and M P FRENNEAUX Heart 1998; 79: 317-318. doi:10.1136/hrt.79.4.317 [Extract] [Full text] [PDF] [Request Permissions]

Review

	Dealing with in-stent restenosis A H Gershlick and J Baron Heart 1998; 79: 319-323. doi:10.1136/hrt.79.4.319 [Extract] [Full text] [PDF] [Request Permissions]

Papers

	Determination of prestenotic flow volume using an automated method based on colour Doppler imaging for evaluating orifice area by the continuity equation: validation in a pulsatile flow model K Dennig, H J Nesser, D Hall, H U Haase, and A Schömig Heart 1998; 79: 324-330. doi:10.1136/hrt.79.4.324 [Abstract] [Full text] [PDF] [Request Permissions]
	Prognostic value of non-sustained ventricular tachycardia and the potential role of amiodarone treatment in hypertrophic cardiomyopathy: assessment in an unselected non-referral based patient population F Cecchi, I Olivotto, A Montereggi, G Squillatini, A Dolara, and B J Maron Heart 1998; 79: 331-336. doi:10.1136/hrt.79.4.331 [Abstract] [Full text] [PDF] [Request Permissions]
	Long term survival effect of metoprolol in dilated cardiomyopathy A Di Lenarda, R De Maria, A Gavazzi, D Gregori, M Parolini, G Sinagra, L Salvatore, F Longaro, E Bernobich, and F Camerini Heart 1998; 79: 337-344. doi:10.1136/hrt.79.4.337 [Abstract] [Full text] [PDF] [Request Permissions]
	Analysis of deaths while waiting for cardiac surgery among 29 293 consecutive patients in Ontario, Canada C D Morgan, K Sykora, C D Naylor, and the Steering Committee of the Cardiac Care Network of Ontario Heart 1998; 79: 345-349. doi:10.1136/hrt.79.4.345 [Abstract] [Full text] [PDF] [Request Permissions]
	Predicting operative risk for coronary artery surgery in the United Kingdom: a comparison of various risk prediction algorithms B Bridgewater, H Neve, N Moat, T Hooper, and M Jones Heart 1998; 79: 350-355. doi:10.1136/hrt.79.4.350 [Abstract] [Full text] [PDF] [Request Permissions]
	Circumstances and causes of out-of-hospital cardiac arrest in sudden death survivors J J M de Vreede-Swagemakers, A P M Gorgels, W I Dubois-Arbouw, J Dalstra, M J A P Daemen, J W van Ree, R E Stijns, and H J J Wellens Heart 1998; 79: 356-361. doi:10.1136/hrt.79.4.356 [Abstract] [Full text] [PDF] [Request Permissions]
	Long term follow up of patients with endomyocardial fibrosis: effects of surgery U Schneider, R Jenni, J Turina, M Turina, and O M Hess Heart 1998; 79: 362-367. doi:10.1136/hrt.79.4.362 [Abstract] [Full text] [PDF] [Request Permissions]
	Occlusion of Fontan fenestrations using the Amplatzer septal occluder M Tofeig, K P Walsh, C Chan, E Ladusans, G Gladman, and R Arnold Heart 1998; 79: 368-370. doi:10.1136/hrt.79.4.368 [Abstract] [Full text] [PDF] [Request Permissions]
	Outcome after prenatal diagnosis of the hypoplastic left heart syndrome L D Allan, H D Apfel, and B F Printz Heart 1998; 79: 371-373. doi:10.1136/hrt.79.4.371 [Abstract] [Full text] [PDF] [Request Permissions]
	Prevalence of ventricular preexcitation in Japanese schoolchildren S Sano, S Komori, T Amano, I Kohno, T Ishihara, T Sawanobori, H Ijiri, and K Tamura Heart 1998; 79: 374-378. doi:10.1136/hrt.79.4.374 [Abstract] [Full text] [PDF] [Request Permissions]
	The transseptal approach for ablation of cardiac arrhythmias: experience of 104 procedures N J Linker and A P Fitzpatrick Heart 1998; 79: 379-382. doi:10.1136/hrt.79.4.379 [Abstract] [Full text] [PDF] [Request Permissions]
	Ventricular pacemaker upgrade: experience, complications and recommendations D J R Hildick-Smith, M D Lowe, S A Newell, P M Schofield, L M Shapiro, D L Stone, A A Grace, and M C Petch Heart 1998; 79: 383-387. doi:10.1136/hrt.79.4.383 [Abstract] [Full text] [PDF] [Request Permissions]
	Electrocardiographic and morphometric features in patients with ventricular tachycardia of right ventricular origin J Kazmierczak, J De Sutter, R Tavernier, C Cuvelier, C Dimmer, and L Jordaens Heart 1998; 79: 388-393. doi:10.1136/hrt.79.4.388 [Abstract] [Full text] [PDF] [Request Permissions]
	Nocturnal desaturation in patients with stable heart failure A D Staniforth, W J M Kinnear, R Starling, and A J Cowley Heart 1998; 79: 394-399. doi:10.1136/hrt.79.4.394 [Abstract] [Full text] [PDF] [Request Permissions]
	Tyrosine phosphorylation of platelet derived growth factor  receptors in coronary artery lesions: implications for vascular remodelling after directional coronary atherectomy and unstable angina pectoris J Abe, J Deguchi, Y Takuwa, K Hara, Y Ikari, T Tamura, M Ohno, and K Kurokawa Heart 1998; 79: 400-406. doi:10.1136/hrt.79.4.400 [Abstract] [Full text] [PDF] [Request Permissions]
	Relation of biophysical response of coarcted aortic segment to balloon dilatation with development of recoarctation following balloon angioplasty of native coarctation P S Rao and B Waterman Heart 1998; 79: 407-411. doi:10.1136/hrt.79.4.407 [Abstract] [Full text] [PDF] [Request Permissions]

Case reports

	Radiofrequency catheter ablation for atrial flutter following orthotopic heart transplantation M P I Pitt, R S Bonser, and M J Griffith Heart 1998; 79: 412-413. doi:10.1136/hrt.79.4.412 [Abstract] [Full text] [PDF] [Request Permissions]
	Radiofrequency ablation of a fascicular tachycardia after orthotopic cardiac transplantation N Clarke, M Mason, and V Paul Heart 1998; 79: 414-416. doi:10.1136/hrt.79.4.414 [Abstract] [Full text] [PDF] [Request Permissions]
	Prevention of torsade de pointes in the congenital long QT syndrome: use of a pause prevention pacing algorithm S Viskin, R Fish, A Roth, and Y Copperman Heart 1998; 79: 417-419. doi:10.1136/hrt.79.4.417 [Abstract] [Full text] [PDF] [Request Permissions]

Short cases in cardiology

	Rupture of a presumed hydatid cyst of the interventricular septum diagnosed by transoesophageal echocardiography I Sabah, F Yalcin, and T Okay Heart 1998; 79: 420-421. doi:10.1136/hrt.79.4.420 [Extract] [Full text] [PDF] [Request Permissions]

Letters to the editor

	Possible association of a reduction in cardiovascular events with blood donation GREGORY D SLOOP Heart 1998; 79: 422. doi:10.1136/hrt.79.4.422 [Extract] [Full text] [PDF] [Request Permissions]
	Reduction in time delays in administering thrombolytic treatment A C RAO and S P JOSEPH Heart 1998; 79: 422. doi:10.1136/hrt.79.4.422a [Extract] [Full text] [Request Permissions]
	Serum cytokines and cardiovascular risk factors G R THOMPSON Heart 1998; 79: 422. doi:10.1136/hrt.79.4.422b [Extract] [Full text] [Request Permissions]

Miscellanea

	Stamps in Cardiology: Cardiopulmonary resuscitation M K DAVIES and A HOLLMAN Heart 1998; 79: 330. doi:10.1136/hrt.79.4.330 [Extract] [Full text] [Request Permissions]
	Images in Cardiology: Transoesophageal echocardiography diagnosis of a left coronary artery fistula draining into the right atrium P R JAMES, D DAWSON, and S M C HARDMAN Heart 1998; 79: 416. doi:10.1136/hrt.79.4.416 [Extract] [Full text] [Request Permissions]